The quarter, formally known as the quarter dollar, is a denomination of currency in the United States valued at 25 cents, representing one-quarter of a dollar. Adorning its obverse is the profile of George Washington, while its reverse design has undergone frequent changes since 1998. Since its initial production in 1796, the quarter dollar has held a significant place in American numismatics, with consistent production since 1831.
The standard circulating coinage of the United Kingdom, British Crown Dependencies and British Overseas Territories is denominated in pennies and pounds sterling, and ranges in value from one penny sterling to two pounds. Since decimalisation, on 15 February 1971, the pound has been divided into 100 pence. Before decimalisation, twelve pence made a shilling, and twenty shillings made a pound.
The British decimal five pence coin is a denomination of sterling coinage worth 5⁄100 of a pound. Its obverse has featured the profile of Queen Elizabeth II since the coin’s introduction on 23 April 1968, replacing the shilling in preparation for decimalisation in 1971. It remained the same size as the one shilling coin, which also remained legal tender, until a smaller version was introduced in June 1990 with the older coins being withdrawn on 31 December 1990. Four different portraits of the Queen have been used, with the latest design by Jody Clark being introduced in 2015. The second and current reverse, featuring a segment of the Royal Shield, was introduced in 2008.
The British decimal ten pence coin is a denomination of sterling coinage worth 1⁄10 of a pound. Its obverse has featured the profile of Queen Elizabeth II since the coin's introduction in 1968, to replace the florin coin in preparation for decimalisation in 1971. It remained the same size as the florin until a smaller version was introduced on 30 September 1992, with the older coins being withdrawn on 30 June 1993. Four different portraits of the Queen have been used on the coin; the latest design by Jody Clark was introduced in 2015. The second and current reverse, featuring a segment of the Royal Shield, was introduced in 2008.
The British decimal one penny (1p) coin is a unit of currency and denomination of sterling coinage worth 1⁄100 of one pound. Its obverse featured the profile of Queen Elizabeth II since the coin's introduction on 15 February 1971, the day British currency was decimalised, until her death on 8 September 2022. A new portrait featuring King Charles III was introduced on 30 September 2022, designed by Martin Jennings. Four different portraits of the Queen were used on the obverse; the last design by Jody Clark was introduced in 2015. The second and current reverse, designed by Matthew Dent, features a segment of the Royal Shield and was introduced in 2008. The penny is the lowest value coin ever to circulate in the United Kingdom.
The crown was a denomination of sterling coinage worth a quarter of one pound. The crown was first issued during the reign of Edward VI, as part of the coinage of the Kingdom of England.
The Royal Mint is the United Kingdom's official maker of British coins. It is currently located in Llantrisant, Wales, where it moved in 1968.
The American Silver Eagle is the official silver bullion coin of the United States. It was first released by the United States Mint on November 24, 1986, and portrays the Goddess of Liberty in a design by Adolph A. Weinman that was originally used on the Walking Liberty half dollar from 1916 to 1947.
The American Gold Eagle is an official gold bullion coin of the United States. Authorized under the Gold Bullion Coin Act of 1985, it was first released by the United States Mint in 1986. Because the term "eagle" also is the official United States designation for the pre-1933 ten dollar gold coin, the weight of the bullion coin is typically used when describing American Gold Eagles to avoid confusion with the pre-1933 coins. This is particularly true with the 1/4-oz American Gold Eagle, which has a marked face value of ten dollars, the same as that of its predecessor.
The American Platinum Eagle is the official platinum bullion coin of the United States. In 1995, Director of the United States Mint Philip N. Diehl, American Numismatic Association President David L. Ganz, and Platinum Guild International Executive Director Jacques Luben began the legislative process of creating the Platinum Eagle. After over two years of work, the 99.95% fine platinum coins were released by the United States Mint in 1⁄10, 1⁄4, 1⁄2 and 1 troy oz denominations. In late 2008, the fractional denominations were discontinued, leaving only the one ounce denomination. The Platinum Eagle is authorized by the United States Congress, and is backed by the United States Mint for weight, content, and purity. Its obverse was designed by John Mercanti, and portrays the Statue of Liberty by Frédéric Auguste Bartholdi.
Britannia coins are British bullion coins issued by the Royal Mint in gold since 1987, in silver since 1997, and in platinum since 2018. The reverse of the coin patterns feature various depictions of Britannia, a feminine personification of the United Kingdom while the obverse features a monarch effigy with the legend around it.
The twelve-sided Australian fifty-cent coin is the third-highest denomination coin of the Australian dollar and the largest in terms of size in circulation. It is equal in size and shape to the Cook Island $5 coin, and both remain the only 12-sided coins in the southern hemisphere. It was introduced in 1969 to replace the round fifty-cent coin issued in 1966.
The Canadian Silver Maple Leaf is a silver bullion coin that is issued annually by the Government of Canada since 1988. It is produced by the Royal Canadian Mint.
The American Buffalo, also known as a gold buffalo, is a 24-karat bullion coin first offered for sale by the United States Mint in 2006. The coin follows the design of the Indian Head nickel and has gained its nickname from the American Bison on the reverse side of the design. This was the first time the United States government minted pure (.9999) 24-karat gold coins for the public. The coin contains one-troy ounce (31.1g) of pure gold and has a legal tender (face) value of US$50. Due to a combination of the coin's popularity and the increase in the price of gold, the coin's value has increased considerably. The initial 2006 U.S. Mint price of the proof coin was $800. In 2007 the price was $899.95, $1,410 in 2009, and $2,010 in 2011.
The Canadian Platinum Maple Leaf is the official bullion platinum coin of Canada. First issued by the Royal Canadian Mint in 1988, it was available until 2002 in five different denominations, all of which are marked as containing .9995 pure platinum. The bullion coin was partly reintroduced in 2009 in the form of the 1 troy ounce denomination in .9999 purity, featuring a new portrait of Queen Elizabeth II on the obverse. The coins have legal tender status in Canada, but as is often the case with bullion coins, the face values of these coins is lower than the market price of the material they are made from.
The Singapore Mint is a Singaporean mint manufacturer. The Singapore Mint is a fully owned subsidiary of Sembcorp Industries.
The Vienna Philharmonic, often shortened to Philharmonic, is a bullion coin of gold, silver, or platinum produced by the Austrian Mint. The coin is named for the Vienna Philharmonic orchestra, which inspired the design of both sides. It was introduced in 1989, as a one-troy ounce (ozt) gold coin with a face value of 2,000 Austrian schillings. It is one of the world's best selling bullion coins. In 2002, with the adoption of the euro currency, the nominal value of the one-ounce coin was changed to 100 euros. In 2008, the Mint introduced a one-ounce silver version of the coin with a nominal value of 1.5 euros. The silver coin is also one of the top selling bullion coins, ranked third in 2013. In 2016, the mint introduced a one ounce platinum coin with a face value of 100 euros.
The Lunar or Shēngxiào (生肖) coin series is a collection of British coins issued by the Royal Mint, featuring the Chinese zodiac in celebration of Chinese New Year. First issued in 2014, the series has been minted in varying denominations of silver and gold, as both bullion and proof.
Landmarks of Britain is a series of silver bullion coins produced by the Royal Mint in the United Kingdom. The first coin was released in 2017 and features a design of Big Ben previously used on a £100 coin released in 2015. The second and third coins, both released in 2018, feature Tower Bridge and Trafalgar Square. The next coin is expected to portray Buckingham Palace. The coin has a maximum mintage of 50,000. The same designs appeared on a four coin proof set in 2014, these had trichromatic colour-printing and had a mintage of only 3,500 sets.
