Postcrossing

Last updated
Postcrossing
Postcrossing Project Logo.png
Type of site
Project website
Available inEnglish
OwnerPostcrossing Lda
Created byPaulo Magalhães
URL postcrossing.com
RegistrationYes
LaunchedJuly 14, 2005;19 years ago (2005-07-14) [1]

Postcrossing is an online project for people to exchange postcards with other project members globally. The project's tag line is "send a postcard and receive a postcard back from a random person somewhere in the world!" [2] The name Postcrossing is a union of the words postcard and crossing, and its origin "is loosely based on the Bookcrossing site". [3]

Contents

Members can get details of other randomly selected members to send a postcard to, then receive cards from other random members. Official exchanges between the two members occur only once, but unofficial ongoing swaps between members are possible. As of January 2025, Postcrossing had over 805,000 members in 211 countries and territories, [4] and over 80 million registered postcards had been exchanged. [5]

How it works

To be eligible to receive a postcard, a member must first send one. When a member requests to send a postcard they are given the address of another member and a unique postcard ID (e.g. US-787). They send a postcard to that address with the postcard ID displayed. Costs of postcards and postage fees are the responsibility of the user sending the card. When the recipient registers that postcard ID, the sender becomes eligible to receive postcards. [6] Each member can write profile text visible to the sender which can contain personal information and postcard preferences. The Postcrossing system allows two members to exchange postcards only once. By default, members will exchange postcards with countries other than their own but they can decide to exchange postcards with other users in their own country. Users can express a preference not to send to repeated countries but it does not guarantee that there will be no repetitions.

Initially each member can have up to five postcards traveling at a time. Once five cards are in transit they need to wait for a card to be registered as received before they can request another address. The limit increases as users build experience exchanging cards, up to a maximum limit of 100. [7] A small proportion of postcards do not get registered as received because they get lost en route, have an unreadable ID, or are received by members who are no longer active. The system attempts to adjust for these issues to reduce the difference between the number of sent and received postcards of each member.[ citation needed ]

Members

Membership is free and anyone with an address can create an account. The greatest numbers of members, known as postcrossers, are in Russia, Taiwan, and the United States. [8] Globally, most postcrossers reside in North America, Europe, and East Asia. As of January 2025, about 40 % of the combined total of postcards were sent from Germany, the United States, and Russia. [5]

Countries with most users [8] a
RankCountryUsers
1.Flag of Russia.svg  Russia 114,391
2.Flag of the Republic of China.svg  Taiwan 111,445
3.Flag of the United States.svg  United States of America 75,695
4.Flag of the People's Republic of China.svg  China 70,926
5.Flag of Germany.svg  Germany 63,321
6.Flag of the Netherlands.svg  Netherlands 35,610
7.Flag of Belarus.svg  Belarus 31,525
8.Flag of Poland.svg  Poland 29,494
9.Flag of Ukraine.svg  Ukraine 24,590
10.Flag of the Czech Republic.svg  Czech Republic 21,709
11.Flag of France.svg  France 18,537
12.Flag of the United Kingdom.svg  United Kingdom 18,317
13.Flag of Finland.svg  Finland 15,998
14.Flag of Japan.svg  Japan 12,696
15.Flag of India.svg  India 11,363
    
Countries with most sent postcards [8]
RankCountrySent postcards
1.Flag of Germany.svg  Germany 14,211,440
2.Flag of the United States.svg  United States of America 10,251,353
3.Flag of Russia.svg  Russia 9,074,862
4.Flag of the Netherlands.svg  Netherlands 5,542,743
5.Flag of Finland.svg  Finland 4,498,604
6.Flag of the People's Republic of China.svg  China 3,281,113
7.Flag of the Republic of China.svg  Taiwan 3,160,549
8.Flag of Belarus.svg  Belarus 2,910,401
9.Flag of Japan.svg  Japan 2,045,049
10.Flag of the Czech Republic.svg  Czech Republic 1,996,981
11.Flag of Poland.svg  Poland 1,749,963
12.Flag of the United Kingdom.svg  United Kingdom 1,683,630
13.Flag of Ukraine.svg  Ukraine 1,673,357
14.Flag of France.svg  France 1,609,969
15.Flag of Canada (Pantone).svg  Canada 1,430,007

^a Table last updated January 18, 2025

History

Postcrossing was created by Paulo Magalhães. It was initially a hobby based on his enjoyment of receiving postcards: [9] "The element of surprise of receiving postcards from different places in the world (many of which you would probably never have heard of) can turn your mailbox into a box of surprises–and who wouldn't like that?" [10] He started the website on July 14, 2005, hosted at his home on an old computer in a clothes closet. The project rapidly grew internationally, initially via word-of-mouth then promoted by media attention.

The millionth Postcrossing postcard was received on April 11, 2008. [11] [12] The project's popularity continued to accelerate, reaching two million in February 2009. [13] The five millionth postcard was received in August 2010, [14] shortly after the project's fifth anniversary, [15] and the 10 millionth postcard was registered in January 2012. [16] As of 2025, approximately one million postcards are registered every two or three months, passing the milestone of 80 million postcards received on January 7, 2025. [17]

Postcards exchanged per month Postcrossing Stats (July 2005-December 2024).png
Postcards exchanged per month

Postcard Milestones

MillionDateTime (UTC)FromToPostcard
1 [11] [12] April 11, 20083:03 pmFlag of Turkey.svg  Turkey Flag of Romania.svg  Romania TR-8482 [18]
2 [13] February 26, 20096:34 amFlag of Germany.svg  Germany Flag of Norway.svg  Norway DE-292437 [19]
3 [20] September 24, 20094:09 pmFlag of Finland.svg  Finland Flag of Slovenia.svg  Slovenia FI-637138 [21]
4 [22] March 28, 201010:14 amFlag of the Czech Republic.svg  Czechia Flag of the Netherlands.svg  Netherlands CZ-48446 [23]
5 [14] August 24, 20107:14 pmFlag of Italy.svg  Italy Flag of Thailand.svg  Thailand IT-98823 [24]
6 [25] December 30, 201012:03 pmFlag of Spain.svg  Spain Flag of Germany.svg  Germany ES-97547 [26]
7 [27] April 19, 20116:59 pmFlag of the People's Republic of China.svg  China Flag of the Netherlands.svg  Netherlands CN-357628 [28]
8 [29] August 2, 201111:28 amFlag of Finland.svg  Finland Flag of Japan.svg  Japan FI-1149781 [30]
9 [31] [32] November 3, 20115:13 amFlag of the People's Republic of China.svg  China Flag of Russia.svg  Russia CN-450151 [33]
10 [16] January 27, 20124:56 pmFlag of Japan.svg  Japan Flag of Germany.svg  Germany JP-232027 [34]
11 [35] [36] April 3, 20128:04 pmFlag of the United States.svg  U.S.A. Flag of Iceland.svg  Iceland US-1615550 [37]
12 [38] June 12, 20126:28 pmFlag of the United States.svg  U.S.A. Flag of the Netherlands.svg  Netherlands US-1710034 [39]
13 [40] August 22, 20125:08 amFlag of Hong Kong.svg  Hong Kong Flag of Russia.svg  Russia HK-45392 [41]
14 [42] [43] October 25, 20128:52 pmFlag of the Netherlands.svg  Netherlands Flag of Honduras.svg  Honduras NL-1464473 [44]
15 [45] December 31, 20121:46 pmFlag of Germany.svg  Germany Flag of Italy.svg  Italy DE-1800737 [46]
16 [47] [48] March 4, 20137:21 amFlag of Ukraine.svg  Ukraine Flag of Russia.svg  Russia UA-487482 [49]
17 [50] May 1, 201312:20 amFlag of Russia.svg  Russia Flag of Australia (converted).svg  Australia RU-1658153 [51]
18 [52] July 3, 20136:57 amFlag of Finland.svg  Finland Flag of the Republic of China.svg  Taiwan FI-1791281 [53]
19 [54] September 2, 20139:56 amFlag of Ukraine.svg  Ukraine Flag of Germany.svg  Germany UA-737378 [55]
20 [56] October 29, 20135:49 amFlag of the United States.svg  U.S.A. Flag of the Republic of China.svg  Taiwan US-2449004 [57]
21 [58] December 23, 201310:54 pmFlag of the Netherlands.svg  Netherlands Flag of Italy.svg  Italy NL-2232945 [59]
22 [60] February 17, 20143:03 pmFlag of the Netherlands.svg  Netherlands Flag of Poland.svg  Poland NL-2339217 [61]
23 [25] [62] April 10, 201410:47 amFlag of Germany.svg  Germany Flag of Australia (converted).svg  Australia DE-3043747 [63]
24 [64] June 8, 201412:40 pmFlag of Latvia.svg  Latvia Flag of Japan.svg  Japan LV-150063 [65]
25 [66] August 10, 201411:02 amFlag of the Netherlands.svg  Netherlands Flag of Germany.svg  Germany NL-2612179 [67]
26 [68] [69] October 10, 20143:36 amFlag of the United States.svg  U.S.A. Flag of Hong Kong.svg  Hong Kong US-3009516 [70]
27 [71] December 7, 20142:05 amFlag of Japan.svg  Japan Flag of the Republic of China.svg  Taiwan JP-612910 [72]
28 [73] February 5, 20157:13 pmFlag of the Netherlands.svg  Netherlands Flag of Germany.svg  Germany NL-2863567 [74]
29 [75] [76] April 2, 20154:04 pmFlag of the Netherlands.svg  Netherlands Flag of the United States.svg  U.S.A. NL-2930266 [77]
30 [78] June 2, 201512:27 amFlag of Germany.svg  Germany Flag of Portugal.svg  Portugal DE-4221494 [79]
31 [80] August 5, 201511:39 amFlag of the Netherlands.svg  Netherlands Flag of the Philippines.svg  Philippines NL-3078076 [81]
32 [82] October 6, 20156:40 pmFlag of Romania.svg  Romania Flag of the United States.svg  U.S.A. RO-109708 [83]
33 [84] December 5, 201511:37 amFlag of the Netherlands.svg  Netherlands Flag of Japan.svg  Japan NL-3242698 [85]
34 [86] February 4, 20167:41 pmFlag of Finland.svg  Finland Flag of Germany.svg  Germany FI-2619857 [87]
35 [88] March 31, 201611:49 pmFlag of Hong Kong.svg  Hong Kong Flag of the United States.svg  U.S.A. HK-407034 [89]
36 [90] May 31, 20166:34 pmFlag of the People's Republic of China.svg  China Flag of the United States.svg  U.S.A. CN-1943122 [91]
37 [92] August 2, 20167:08 pmFlag of Russia.svg  Russia Flag of the United States.svg  U.S.A. RU-4866496 [93]
38 [94] October 4, 20164:09 pmFlag of the Netherlands.svg  Netherlands Flag of the United States.svg  U.S.A. NL-3579375 [95]
39 [96] December 7, 20167:56 amFlag of the Republic of China.svg  Taiwan Flag of the United States.svg  U.S.A. TW-2105862 [97]
40 [98] February 13, 20176:39 amFlag of the Republic of China.svg  Taiwan Flag of France.svg  France TW-2118751 [99]
41 [100] April 17, 201710:46 amFlag of the Czech Republic.svg  Czechia Flag of Japan.svg  Japan CZ-1159412 [101]
42 [102] June 28, 20176:15 pmFlag of the United States.svg  U.S.A. Flag of Germany.svg  Germany US-4715663 [103]
43 [104] September 2, 20172:23 pmFlag of the People's Republic of China.svg  China Flag of Germany.svg  Germany CN-2281671 [105]
44 [106] [107] November 7, 201710:46 pmFlag of Russia.svg  Russia Flag of Costa Rica.svg  Costa Rica RU-6019041 [108]
45 [109] [110] January 16, 20186:26 pmFlag of Australia (converted).svg  Australia Flag of the Czech Republic.svg  Czechia AU-590448 [111]
46 [112] [113] March 20, 20186:00 pmFlag of Germany.svg  Germany Flag of Russia.svg  Russia DE-6951547 [114]
47 [115] [116] May 28, 20188:03 amFlag of the United States.svg  U.S.A. Flag of the Republic of China.svg  Taiwan US-5301280 [117]
48 [118] [119] August 7, 20183:47 amFlag of the United States.svg  U.S.A. Flag of Thailand.svg  Thailand US-5456394 [120]
49 [121] October 16, 20181:32 amFlag of Russia.svg  Russia Flag of the United States.svg  U.S.A. RU-6804601 [122]
50 [123] December 27, 20187:13 pmFlag of Israel.svg  Israel Flag of Russia.svg  Russia IL-60207 [124]
51 [125] March 4, 201910:56 amFlag of Slovenia.svg  Slovenia Flag of France.svg  France SI-174914 [126]
52 [127] May 13, 20195:47 amFlag of Russia.svg  Russia Flag of Russia.svg  Russia RU-7247664 [128]
53 [129] July 25, 20195:25 amFlag of the United States.svg  U.S.A. Flag of Sweden.svg  Sweden US-6129158 [130]
54 [131] October 7, 20195:27 pmFlag of France.svg  France Flag of Russia.svg  Russia FR-1208264 [132]
55 [133] December 18, 20194:56 pmFlag of Germany.svg  Germany Flag of Belgium (civil).svg  Belgium DE-8811634 [134]
56 [135] February 28, 202011:49 amFlag of the Netherlands.svg  Netherlands Flag of Russia.svg  Russia NL-4570321 [136]
57 [137] June 5, 20207:15 pmFlag of Germany.svg  Germany Flag of Russia.svg  Russia DE-9251821 [138]
58 [139] August 28, 20209:17 amFlag of the Czech Republic.svg  Czechia Flag of Germany.svg  Germany CZ-1723155 [140]
59 [141] November 10, 20208:51 pmFlag of the Republic of China.svg  Taiwan Flag of Germany.svg  Germany TW-3064528 [142]
60 [143] January 24, 202110:17 amFlag of Belarus.svg  Belarus Flag of the Czech Republic.svg  Czechia BY-2711325 [144]
61 [145] April 1, 202112:57 amFlag of the Netherlands.svg  Netherlands Flag of the People's Republic of China.svg  China NL-4843833 [146]
62 [147] [148] June 8, 202112:01 amFlag of the People's Republic of China.svg  China Flag of the United States.svg  U.S.A. CN-3120100 [149]
63 [150] August 18, 202107:12 amFlag of the United States.svg  U.S.A. Flag of the Republic of China.svg  Taiwan US-7750150 [151]
64 [152] October 26, 20211:07 pmFlag of Finland.svg  Finland Flag of Germany.svg  Germany FI-4039073 [153]
65 [154] January 4, 20228:39 pmFlag of France.svg  France Flag of Hungary.svg  Hungary FR-1467922 [155]
66 [156] March 9, 20227:44 pmFlag of Finland.svg  Finland Flag of the Netherlands.svg  Netherlands FI-4130313 [157]
67 [158] May 25, 20221:11 pmFlag of the People's Republic of China.svg  China Flag of Belarus.svg  Belarus CN-3322046 [159]
68 [160] August 10, 20226:13 pmFlag of Slovakia.svg  Slovakia Flag of Germany.svg  Germany SK-278899 [161]
69 [162] October 22, 20227:18 pmFlag of the United States.svg  U.S.A. Flag of Germany.svg  Germany US-8785398 [163]
70 [164] January 4, 202311:36 pmFlag of the United States.svg  U.S.A. Flag of the United States.svg  U.S.A. US-9001590
71 [165] March 14, 202312:32 pmFlag of Germany.svg  Germany Flag of Russia.svg  Russia DE-12712886
72 [166] May 28, 20231:36 pmFlag of Germany.svg  Germany Flag of the United Kingdom.svg  United Kingdom DE-13026949
73 [167] August 12, 20237:35 pmFlag of Germany.svg  Germany Flag of Germany.svg  Germany DE-13280232
74 [168] October 25, 20237:35 pmFlag of the United States.svg  U.S.A. Flag of Germany.svg  Germany US-9786292
75 [169] January 8, 20243:13 pmFlag of Germany.svg  Germany Flag of Russia.svg  Russia DE-13658011
76 [170] March 18, 20248:32 pmFlag of the United States.svg  U.S.A. Flag of the United Kingdom.svg  United Kingdom US-10179025
77 [171] June 6, 20248:58 amFlag of Germany.svg  Germany Flag of Switzerland (Pantone).svg   Switzerland DE-14252655
78 [172] August 16, 202412:46 pmFlag of Germany.svg  Germany Flag of Bosnia and Herzegovina.svg  Bosnia-Herzegovina DE-14335070
79 [173] October 27, 20248:52 pmFlag of Australia (converted).svg  Australia Flag of Germany.svg  Germany AU-960950
80 [17] January 7, 20252:32 amFlag of the Netherlands.svg  Netherlands Flag of Germany.svg  Germany NL-5891077

Postcrossing-themed stamps

The first Postcrossing-themed stamp was released by PostNL in 2011. Since then more than a dozen countries' postal services have followed suit and some released multiple Postcrossing-themed stamps. [174] [175] [176] The majority of the stamps have been launched in partnership with the Postcrossing community but some "unofficial" stamps displayed the Postcrossing trademark without approval of the Postcrossing organization.

List of official Postcrossing stamps

51-2013-12-11-m.jpg
Stamp of Russia 2015 No 1911 Postcrossing.jpg
Postcrossing stamp from Ukraine (1).jpg
Jan 2017 - Belarus Postcrossing Stamp.jpg
Feb 2017 - Romania Postcrossing Stamp.png
July 2017 - Indonesia Postcrossing Stamps.png
Feb 2018 - Hungary Postcrossing Stamp.jpg
June 2018 - Moldova Postcrossing Stamp.jpg
July 2021 Belarus Postcrossing Stamp.jpg
Some Postcrossing stamps; from left to right, up to down:
1. January 2, 2014 Flag of Belarus.svg  Belarus Belposhta released their own Postcrossing-themed stamp in Belarus; the stamp was designed by Inga Turlo and features the words "Happy Postcrossing" in both English and Belarusian; [175] [177] the English text is displayed using many colors and designs; 2.Flag of Russia.svg  Russia The Russian Post issued a stamp designed by Olga Shushlebina; the stamp shows the words "Я ❤ посткроссинг" (Russian: "I ❤ Postcrossing") and schematic pictures of world sights. [175] [178] 3.Flag of Ukraine.svg  Ukraine 4.Flag of Belarus.svg  Belarus Belposhta launched their second Postcrossing-themed stamps in Belarus. The stamp was designed by Marina Vitkovskaya and features the words "Happy Postcrossing" in both English and Belarusian. [179] [175] 5.Flag of Romania.svg  Romania 6.Flag of Indonesia.svg  Indonesia Indonesia Post presented three new Postcrossing-themed stamps on Postcrossing's 12th anniversary. [180] 7.Flag of Hungary.svg  Hungary 8.Flag of Moldova.svg  Moldova the Post of Moldova created their first postcrossing-themed stamp featuring postcards zooming around the globe [181] 9.Flag of Belarus.svg  Belarus Yauheniya Biadonik designed Belarus' third Postcrossing-themed stamp [182]

Stamps officially backed by the Postcrossing community are posted on the Postcrossing blog: [174]

World Postcard Day (October 1st)

On October 1, 2019, Postcrossing organised global events to celebrate the postcard's 150th anniversary. Events included postcard exhibitions, special cancellations marks, postcard writing workshops and seminars, commemorative postcards and special stamp issues. [183] Postcrossing organised an exhibition at the Universal Postal Union's (UPU) headquarters in Bern, with postcards from across the world sharing messages about the importance of postcards. [184]

Following the success of these events, in 2020, Postcrossing launched World Postcard Day. [185] Commemorative postcards and special cancellation marks were issued to mark the day. [186] A commemorative postcard for the event was chosen in a competition for design and art students. Special events included online postcard exhibitions, postcard writing workshops and online meetings. [186] A lesson plan was created in eight languages to help teacher introduce postcards to young children in schools. Further events have been held annually since 2020. [187]

See also

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References

  1. "Postcrossing. History". Postcrossing.com. 2005-07-14. Retrieved 2013-01-23.
  2. Magalhães, Paulo. "Postcrossing" . Retrieved 2009-01-01.
  3. "Postcrossing - The Postcard Crossing Project". BBC H2G2. 2006-05-08. Retrieved 2009-01-01.
  4. "Statistics – Members". Postcrossing. Archived from the original on 2025-01-17. Retrieved 2025-01-18.
  5. 1 2 3 "Statistics – Postcards". Postcrossing. Archived from the original on 2025-01-17. Retrieved 2025-01-18.
  6. Crews, Barbara (2007-07-01). "Random Postcards from Around the World: Postcrossing!". about.com. Archived from the original on 2011-07-16. Retrieved 2009-01-01.
  7. Magalhães, Paulo. "Postcrossing - Help - How many postcards can I send?". postcrossing.com. Retrieved 2009-01-01.
  8. 1 2 3 "Countries in Postcrossing". Postcrossing. Archived from the original on 2025-01-17. Retrieved 2025-01-18.
  9. Faxon, Hilary (2008-07-17). "Interview: Paulo Magalhães, Founder of Postcrossing.com". shanghaiist.com. Archived from the original on 2012-02-17. Retrieved 2009-01-01.
  10. Widmer, Laurent (2008). "Where is your postcard?" (PDF). Union Postale. Retrieved 2009-01-01.[ dead link ]
  11. 1 2 "Postcrossing Hits 1 Million Exchanged Cards". prlog.org. 2008-04-11. Retrieved 2009-01-01.
  12. 1 2 Ana (meiadeleite) (April 30, 2008). "A million cards' contest - update". Postcrossing. Retrieved January 24, 2021.
  13. 1 2 Magalhães, Paulo (February 26, 2009). "2 million received postcards! YAY! Can you believe it?". Postcrossing. Retrieved January 24, 2021.
  14. 1 2 Ana (meiadeleite) (August 24, 2010). "5000000 postcards received!". Postcrossing. Retrieved January 24, 2021.
  15. "5 years and counting". 2010-07-14. Retrieved 2010-07-14.
  16. 1 2 Ana (meiadeleite) (January 27, 2012). "10,000,000 registered postcards!". Postcrossing. Retrieved January 24, 2021.
  17. 1 2 meiadeleite (2025-01-07). "Hurray! 80 Million Postcards! 🎉🎉🎉". Postcrossing.com. Retrieved 2025-01-18.
  18. "Postcard TR-8482". Postcrossing. April 11, 2008. Retrieved May 21, 2021.
  19. "Postcard DE-292437". Postcrossing. February 26, 2009. Retrieved May 21, 2021.
  20. Magalhães, Paulo (September 24, 2009). "One, two, three! 3 million postcrossing postcards!". Postcrossing. Retrieved January 24, 2021.
  21. "Postcard FI-637138". Postcrossing. September 24, 2009. Retrieved May 21, 2021.
  22. Ana (meiadeleite) (March 28, 2010). "4 000 000 postcards!! :D". Postcrossing. Retrieved January 24, 2021.
  23. "Postcard CZ-48446". Postcrossing. March 28, 2010. Retrieved May 21, 2021.
  24. "Postcard IT-98823". Postcrossing. August 24, 2010. Retrieved May 21, 2021.
  25. 1 2 Magalhães, Paolo (January 28, 2021). "Postcrossing Milestones". Postcrossing. Retrieved February 3, 2025. Today I had some time to dig this up and, if I didn't made any mistake, this is the full list:
  26. "Postcard ES-97547". Postcrossing. December 30, 2010. Retrieved May 21, 2021.
  27. Khasab (April 19, 2011). "7,000,000 postcards". Postcrossing Official Forum. Archived from the original on May 2, 2011. Retrieved January 24, 2021.
  28. "Postcard CN-357628". Postcrossing. April 19, 2011. Retrieved May 21, 2021.
  29. Postcrossing (August 3, 2011). "Postcard FI-1149781 (Finland)". Facebook. Retrieved February 3, 2025. Not many people noticed, but yesterday we crossed the 8 million postcards milestone! 🙂
  30. "Postcard FI-1149781". Postcrossing. August 2, 2011. Retrieved May 21, 2021.
  31. "9,000,000 postcards". Postcrossing. November 3, 2011. Retrieved February 3, 2025.
  32. Postcrossing (November 3, 2011). "Postcard Stats". Facebook. Retrieved February 3, 2025. A few hours ago ago we've reached 9 million postcards! Well done, all of you! 😃
  33. "Postcard CN-450151". Postcrossing. November 3, 2011. Retrieved May 21, 2021.
  34. "Postcard JP-232027". Postcrossing. January 27, 2012. Retrieved May 21, 2021.
  35. "11 million Postcards". Postcrossing. April 5, 2012. Retrieved February 3, 2025.
  36. Postcrossing (April 4, 2012). "Postcards connecting the world". Facebook. Retrieved February 3, 2025. Did anyone notice? We hit 11 million delivered postcards! 🙂
  37. "Postcard US-1615550". Postcrossing. April 3, 2012. Retrieved May 21, 2021.
  38. Postcrossing (June 12, 2012). "Postcard US-1710034 (U.S.A.)". Facebook. Retrieved February 3, 2025. This was the charmed postcard number 12 million:
  39. "Postcard US-1710034". Postcrossing. June 12, 2012. Retrieved May 21, 2021.
  40. Postcrossing (August 22, 2012). "Postcard HK-45392 (Hong Kong)". Facebook. Retrieved February 3, 2025. Yay! We hit 13 million received postcards some hours ago - congratulations everyone! 🙂 Here's the lucky card:
  41. "Postcard HK-45392". Postcrossing. August 22, 2012. Retrieved May 21, 2021.
  42. "next million... 14000000!". Postcrossing. October 25, 2012. Retrieved February 3, 2025.
  43. Postcrossing Project [@postcrossing] (October 25, 2012). "We've just hit 14 million received postcards! Congratulations to all postcrossers - what an amazing number! :)" (Tweet) via Twitter.
  44. "Postcard NL-1464473". Postcrossing. October 25, 2012. Retrieved May 21, 2021.
  45. Ana (meiadeleite) (December 31, 2012). "15,000,000 postcards registered!". Postcrossing. Retrieved January 24, 2021.
  46. "Postcard DE-1800737". Postcrossing. December 31, 2012. Retrieved May 21, 2021.
  47. "Countdown to 16 million". Postcrossing. March 4, 2013. Retrieved February 3, 2025.
  48. Postcrossing (March 4, 2013). "Status update". Facebook. Retrieved February 3, 2025. Yay! We've reached 16 million registered postcards! That's a lot of happy mailboxes around the world! Well done everyone! 🙂
  49. "Postcard UA-487482". Postcrossing. March 4, 2013. Retrieved May 21, 2021.
  50. "Countdown to 17 million sent postcards". Postcrossing. May 1, 2013. Retrieved February 3, 2025.
  51. "Postcard RU-1658153". Postcrossing. May 1, 2013. Retrieved May 21, 2021.
  52. "Let's start to 18 million". Postcrossing. July 3, 2013. Retrieved February 3, 2025.
  53. "Postcard FI-1791281". Postcrossing. July 3, 2013. Retrieved May 21, 2021.
  54. Postcrossing (September 2, 2013). "Postcard UA-737378 (Ukraine)". Facebook. Retrieved February 3, 2025. We just reached 19 million postcards! The lucky postcard was from Ukraine to Germany! Happy Postcrossing everyone! 🙂
  55. "Postcard UA-737378". Postcrossing. September 2, 2013. Retrieved May 21, 2021.
  56. Ana (meiadeleite) (October 29, 2013). "20! Million! Postcards! :D". Postcrossing. Retrieved January 24, 2021.
  57. "Postcard US-2449004". Postcrossing. October 29, 2013. Retrieved May 21, 2021.
  58. "Countdown to 21 million". Postcrossing. December 23, 2013. Retrieved February 3, 2025.
  59. "Postcard NL-2232945". Postcrossing. December 23, 2013. Retrieved May 21, 2021.
  60. "Countdown to 22 million". Postcrossing. February 17, 2014. Retrieved February 3, 2025.
  61. "Postcard NL-2339217". Postcrossing. February 17, 2014. Retrieved May 21, 2021.
  62. Postcrossing Project [@postcrossing] (10 April 2014). "Here's the lucky postcard #23,000,000:" (Tweet) via Twitter.
  63. "Postcard DE-3043747". Postcrossing. April 10, 2014. Retrieved May 21, 2021.
  64. Postcrossing Project [@postcrossing] (10 June 2014). "Here it is, lucky postcard number 24 million, which traveled 8,084 km from Latvia to Japan in 8 days! :D" (Tweet) via Twitter.
  65. "Postcard LV-150063". Postcrossing. June 8, 2014. Retrieved May 21, 2021.
  66. Ana (meiadeleite) (August 10, 2014). "25 million postcards!". Postcrossing. Retrieved January 24, 2021.
  67. "Postcard NL-2612179". Postcrossing. August 10, 2014. Retrieved May 21, 2021.
  68. "Countdown to 26 million". Postcrossing. October 10, 2014. Retrieved February 3, 2025.
  69. Postcrossing Project [@postcrossing] (10 October 2014). "We just reached 26 million postcards! Congratulations everyone! It's still #WorldPostDay in many places: what a nice way to celebrate it! :)" (Tweet) via Twitter.
  70. "Postcard US-3009516". Postcrossing. October 10, 2014. Retrieved May 21, 2021.
  71. "Countdown to 27 million". Postcrossing. December 7, 2014. Retrieved February 3, 2025.
  72. "Postcard JP-612910". Postcrossing. December 7, 2014. Retrieved May 21, 2021.
  73. Postcrossing (February 5, 2015). "Status update". Facebook. Retrieved February 3, 2025. Hurraaaaay! We just reached 28 million exchanged postcards! Congratulations everyone! 🙂 Check out postcard number #28,000,000:
  74. "Postcard NL-2863567". Postcrossing. February 5, 2015. Retrieved May 21, 2021.
  75. "Countdown to 29 million !!!!!". Postcrossing. April 2, 2015. Retrieved February 3, 2025.
  76. Postcrossing (April 3, 2015). "Status update". Facebook. Retrieved February 3, 2025. Yesterday we reached 29! MILLION! POSTCARDS! Hurray! Only 1 million left for the big 30! 🙂
  77. "Postcard NL-2930266". Postcrossing. April 2, 2015. Retrieved May 21, 2021.
  78. Ana (meiadeleite) (June 2, 2015). "30 Million Postcards!". Postcrossing. Retrieved January 24, 2021.
  79. "Postcard DE-4221494". Postcrossing. June 2, 2015. Retrieved May 21, 2021.
  80. Postcrossing (August 5, 2015). "Status update". Facebook. Retrieved February 3, 2025. Another couple of months, another million postcards registered — hurray! 😃 Here's postcard number #31,000,000, sent from Netherlands to the Philippines:
  81. "Postcard NL-3078076". Postcrossing. August 5, 2015. Retrieved May 21, 2021.
  82. "Countdown to 32 million". Postcrossing. October 8, 2015. Retrieved February 3, 2025.
  83. "Postcard RO-109708". Postcrossing. October 6, 2015. Retrieved May 21, 2021.
  84. Postcrossing (December 6, 2015). "Postcard NL-3242698 (Netherlands)". Facebook. Retrieved February 3, 2025. Did you notice we reached 33 million received postcards yesterday? 🙂 Hurray! Here's the lucky Dutch card, registered in Japan! 🙂
  85. "Postcard NL-3242698". Postcrossing. December 5, 2015. Retrieved May 21, 2021.
  86. Postcrossing (February 5, 2016). "Postcard FI-2619857 (Finland)". Facebook. Retrieved February 3, 2025. We reached 34 million postcards yesterday, with this pretty card which traveled from Finland to Germany!
  87. "Postcard FI-2619857". Postcrossing. February 4, 2016. Retrieved May 21, 2021.
  88. "Countdown to 35 million received postcards". Postcrossing. April 1, 2016. Retrieved February 3, 2025.
  89. "Postcard HK-407034". Postcrossing. March 31, 2016. Retrieved May 21, 2021.
  90. Postcrossing (May 31, 2016). "Status update". Facebook. Retrieved February 3, 2025. Woohoo! We juuuust hit 36 million postcards! That's a lot of postcards! 󾌵
  91. "Postcard CN-1943122". Postcrossing. May 31, 2016. Retrieved May 21, 2021.
  92. Postcrossing (August 2, 2016). "Status update". Facebook. Retrieved February 3, 2025. Hurray! We just reached 37 million exchanged postcards!! That's a loooot of smiles all over the world 󾰀 Here's the lucky card number 37,000,000:
  93. "Postcard RU-4866496". Postcrossing. August 2, 2016. Retrieved May 21, 2021.
  94. Postcrossing (October 4, 2016). "Postcard NL-3579375". Facebook. Retrieved February 3, 2025. Woohoo! We've just reached 38 million postcards! 🎉 Postcard #38,000,000 is lovely, and traveled from the Netherlands to the USA in 10 days. 🙂
  95. "Postcard NL-3579375". Postcrossing. October 4, 2016. Retrieved May 21, 2021.
  96. Postcrossing (December 7, 2016). "Status update". Facebook. Retrieved February 3, 2025. Hurray! We reached 39 million postcards earlier today! 🎉 Congratulations everyone! Here's lucky postcard #39,000,000 which traveled from Taiwan to the USA:
  97. "Postcard TW-2105862". Postcrossing. December 7, 2016. Retrieved May 21, 2021.
  98. Ana (meiadeleite) (February 13, 2017). "40 Million Postcards!". Postcrossing. Retrieved January 24, 2021.
  99. "Postcard TW-2118751". Postcrossing. February 13, 2017. Retrieved May 21, 2021.
  100. Postcrossing (April 17, 2017). "Status update". Facebook. Retrieved February 3, 2025. Woohoo! The week is off to a great start — postcard number 41 million just got registered! 🎉 Here it is:
  101. "Postcard CZ-1159412". Postcrossing. April 17, 2017. Retrieved May 21, 2021.
  102. Postcrossing (June 28, 2017). "Postcard US-4715663". Facebook. Retrieved February 3, 2025. We've just reached 42 MILLION registered postcards! 🎉🎉🎉 Hurraaaaaaay! 🎉 Here's lucky postcard 42,000,000:
  103. "Postcard US-4715663". Postcrossing. June 28, 2017. Retrieved May 21, 2021.
  104. "Countdown to 43 million postcards received". Postcrossing. September 5, 2017. Retrieved February 3, 2025.
  105. "Postcard CN-2281671". Postcrossing. September 2, 2017. Retrieved May 21, 2021.
  106. "Countdown to 44 million postcards received". Postcrossing. November 7, 2017. Retrieved February 3, 2025.
  107. Postcrossing Project [@postcrossing] (November 8, 2017). "So yeah... 44 MILLION POSTCARDS!!! 😱" (Tweet) via Twitter.
  108. "Postcard RU-6019041". Postcrossing. November 7, 2017. Retrieved May 21, 2021.
  109. "Countdown to 45 million postcards received". Postcrossing. January 17, 2018. Retrieved February 3, 2025.
  110. Postcrossing Project [@postcrossing] (January 16, 2018). "Look at that! 🎉🎉🎉 45 MILLION POSTCARDS!!! 🎉🎉🎉 Congratulations, everyone!" (Tweet) via Twitter.
  111. "Postcard AU-590448". Postcrossing. January 16, 2018. Retrieved May 21, 2021.
  112. "Countdown to 46 million postcards received". Postcrossing. March 20, 2018. Retrieved February 3, 2025.
  113. Postcrossing (March 20, 2018). "Status update". Facebook. Retrieved February 3, 2025. Look at that! We just crossed the 46,000,000 registered postcards on the project! 🎉 Hurraaaaaay!
  114. "Postcard DE-6951547". Postcrossing. March 20, 2018. Retrieved May 21, 2021.
  115. "Countdown to 47 million postcards received". Postcrossing. May 30, 2018. Retrieved February 3, 2025.
  116. Postcrossing (May 28, 2018). "Status update". Facebook. Retrieved February 3, 2025. Hurray! 🎉 We reached 47 million postcards earlier today! 🎉 Good job, everyone!
  117. "Postcard US-5301280". Postcrossing. May 28, 2018. Retrieved May 21, 2021.
  118. "Countdown to 48 million postcards received". Postcrossing. August 7, 2018. Retrieved February 3, 2025.
  119. Postcrossing (August 7, 2018). "Status update". Facebook. Retrieved February 3, 2025. Did you hear the news? Yesterday we hit the milestone of 48! 🎉 MILLION! 🎉 POSTCARDS! 🎉 Hurray and congratulations everyone!
  120. "Postcard US-5456394". Postcrossing. August 7, 2018. Retrieved May 21, 2021.
  121. Postcrossing (October 19, 2018). "Postcrossing postcard RU-6804601 from Russia". Facebook. Retrieved February 3, 2025. Curious to see which card was number 49 million? Here it is!
  122. "Postcard RU-6804601". Postcrossing. October 16, 2018. Retrieved May 21, 2021.
  123. Ana (meiadeleite) (December 27, 2018). "50 Million Postcards!". Postcrossing. Retrieved January 24, 2021.
  124. "Postcard IL-60207". Postcrossing. December 27, 2018. Retrieved May 21, 2021.
  125. "Countdown to 51 million postcards received". Postcrossing. March 4, 2019. Retrieved February 3, 2025.
  126. "Postcard SI-174914". Postcrossing. March 4, 2019. Retrieved May 21, 2021.
  127. Postcrossing (May 13, 2019). "Postcrossing postcard RU-7247664 from Russia". Facebook. Retrieved February 3, 2025. Lucky postcard number 52 million has just been registered — hurray! 🎉 It's super cute and it traveled over 3300km... within the same country.
  128. "Postcard RU-7247664". Postcrossing. May 13, 2019. Retrieved May 21, 2021.
  129. "Countdown to 53 million postcards received". Postcrossing. July 25, 2019. Retrieved February 3, 2025.
  130. "Postcard US-6129158". Postcrossing. July 25, 2019. Retrieved May 21, 2021.
  131. "Countdown to 54 million postcards received". Postcrossing. October 7, 2019. Retrieved February 3, 2025.
  132. "Postcard FR-1208264". Postcrossing. October 7, 2019. Retrieved May 21, 2021.
  133. Postcrossing (December 18, 2019). "Postcrossing postcard DE-8811634 from Germany". Facebook. Retrieved February 3, 2025. We've just passed the 55 million registered postcards! Hurray! 🎉 The lucky card features two very famous sisters, and traveled from Germany to Belgium in just three days. ❄️
  134. "Postcard DE-8811634". Postcrossing. December 18, 2019. Retrieved May 21, 2021.
  135. Postcrossing (February 28, 2020). "Postcrossing postcard NL-4570321 from Netherlands". Facebook. Retrieved February 3, 2025. We crossed the 56 million postcards mark earlier today! 🎉 Here's the lucky card, featuring a royal family: [URL] Congratulations everyone, what an amazing number!
  136. "Postcard NL-4570321". Postcrossing. February 28, 2020. Retrieved May 21, 2021.
  137. Postcrossing Project [@postcrossing] (June 5, 2020). "Hurray! 🎉 57 million postcards registered just now — and just as many smiles delivered. 😍 Congratulations everyone, we did it! Here's the lucky postcard:" (Tweet) via Twitter.
  138. "Postcard DE-9251821". Postcrossing. June 5, 2020. Retrieved May 21, 2021.
  139. Postcrossing Project [@postcrossing] (August 28, 2020). "We blinked and suddenly 58 million postcards have been registered in Postcrossing — HURRAY! 🎉🎉 Postcard number #58000000 is super cute too, check it out:" (Tweet) via Twitter.
  140. "Postcard CZ-1723155". Postcrossing. August 28, 2020. Retrieved May 21, 2021.
  141. "Countdown to 59 million postcards!". Postcrossing. November 10, 2020. Retrieved February 3, 2025.
  142. "Postcard TW-3064528". Postcrossing. November 10, 2020. Retrieved May 21, 2021.
  143. Ana (meiadeleite) (January 24, 2021). "60 Million Postcards!". Postcrossing. Retrieved January 24, 2021.
  144. "Postcard BY-2711325". Postcrossing. January 25, 2021. Retrieved May 21, 2021.
  145. "Countdown to 61 million postcards registered". Postcrossing. April 1, 2021. Retrieved February 3, 2025.
  146. "Postcard NL-4843833". Postcrossing. April 2, 2021. Retrieved April 2, 2021.
  147. Postcrossing Project [@postcrossing] (June 8, 2021). "While we were asleep, a postcard from China made its way to the USA and was the 62 millionth postcard registered in Postcrossing! Party popper Congratulations, everyone — what a neat milestone!" (Tweet) via Twitter.
  148. Postcrossing Project [@postcrossing] (June 9, 2021). "It was registered at 08/Jun/2021, at 00:01:40 UTC time! (and thank you so much for helping keep that page updated!)" (Tweet) via Twitter.
  149. "Postcard CN-3120100". Postcrossing. June 8, 2021. Retrieved June 8, 2021.
  150. "Countdown to 63 million cards registered". Postcrossing. August 18, 2021. Retrieved February 3, 2025.
  151. "Postcard US-7750150". Postcrossing. August 18, 2021. Retrieved August 18, 2021.
  152. "Countdown to 64 million cards registered". Postcrossing. October 26, 2021. Retrieved February 3, 2025.
  153. "Postcard FI-4039073". Postcrossing. October 26, 2021. Retrieved January 5, 2023.
  154. "Countdown to 65 million registered cards". Postcrossing. January 4, 2022. Retrieved February 3, 2025.
  155. "Postcard FR-1467922". Postcrossing. January 4, 2022. Retrieved January 5, 2023.
  156. "Countdown to 66 million registered cards". Postcrossing. March 9, 2022. Retrieved February 3, 2025.
  157. "Postcard FI-4130313". Postcrossing. March 9, 2022. Retrieved January 5, 2023.
  158. "Countdown to 67 million registered cards". Postcrossing. May 25, 2022. Retrieved February 3, 2025.
  159. "Postcard CN-3322046". Postcrossing. May 25, 2022. Retrieved January 5, 2023.
  160. "Countdown to 68 million registered cards". Postcrossing. August 10, 2022. Retrieved February 3, 2025.
  161. "Postcard SK-278899". Postcrossing. August 10, 2022. Retrieved January 5, 2023.
  162. "Countdown to 69 million cards registered". Postcrossing. October 22, 2022. Retrieved February 3, 2025.
  163. "Postcard US-8785398". Postcrossing. October 22, 2022. Retrieved January 5, 2023.
  164. "Postcard US-9001590". Postcrossing. January 4, 2023. Retrieved January 5, 2023.
  165. "Countdown To 71 Million Registered Postcards". Postcrossing. March 14, 2023. Retrieved February 3, 2025.
  166. "Countdown to 72 million registered cards". Postcrossing. May 28, 2023. Retrieved February 3, 2025.
  167. "Countdown to 73 Million Postcards". Postcrossing. August 12, 2023. Retrieved February 3, 2025.
  168. "Countdown to 74 million registered cards". Postcrossing. October 25, 2023. Retrieved February 3, 2025.
  169. "Countdown to 75 Million Postcards". Postcrossing. October 25, 2023. Retrieved February 3, 2025.
  170. "Countdown to 76 Million Postcards". Postcrossing. March 18, 2024. Retrieved February 3, 2025.
  171. "Countdown to 77 Million Postcards". Postcrossing. June 6, 2024. Retrieved February 3, 2025.
  172. "Countdown to 78 Million Postcards". Postcrossing. August 16, 2024. Retrieved February 3, 2025.
  173. "Countdown to 79 Million Postcards". Postcrossing. October 27, 2024. Retrieved February 3, 2025.
  174. 1 2 "Postcrossing Blog: Posts tagged "postcrossing-stamp"". Postcrossing. Retrieved 16 August 2020.
  175. 1 2 3 4 Mark Joseph Jochim (October 25, 2018). "Postcrossing on Stamps: A Catalogue". Philatelic Pursuits. Retrieved 16 August 2020.
  176. Mark Joseph Jochim (October 25, 2018). "National Stamp Collecting Month: Postcards & Postcrossing". A Stamp A Day. Retrieved 16 August 2020.
  177. "A new Postcrossing stamp, from Belarus!". Postcrossing.com. 24 December 2013. Retrieved 16 August 2020.
  178. "A new Postcrossing stamp... from Russia". Postcrossing.com. 20 January 2015. Retrieved 16 August 2020.
  179. "A new Postcrossing stamp, from Belarus!". Postcrossing.com. 24 December 2013. Retrieved 16 August 2020.
  180. "Postcrossing turns 12 + new Postcrossing stamps... From Indonesia!". 14 July 2017.
  181. "Stamp Issues & Related Items 2018: Postcrossing". International Moldovan Philatelic Society. Retrieved 2019-11-29.
  182. "Happy Postcrossing!". Belpost.by. July 2, 2021. Retrieved 25 August 2020.
  183. "Events in the 150th anniversary of the postcard (Oct 1st, 2019)". postcrossing.com. Retrieved 2020-10-31.
  184. "Putting together the postcard exhibition at the UPU". postcrossing.com. 5 October 2019. Retrieved 2020-10-31.
  185. "World Postcard Day — the day to celebrate postcards". postcrossing.com. 28 July 2020. Retrieved 2020-10-31.
  186. 1 2 "Events in the World Postcard Day (Oct 1st)". postcrossing.com. Retrieved 2020-10-31.
  187. "World postcard day: Events" . Retrieved 6 March 2023.