The Tunisian duro is the nickname of the small silver coin that is part of the Tunisian currency. [1] It has originated from the Spanish word Duro (monetary unit), a nickname for the five peseta coin.
The value of the coin is five millimes or 0.005 of a Tunisian dinar, and is the smallest denomination currently being minted (smaller 1 and 2 millime coins are no longer issued). [2]