Estonian kroon 4 days after the founding of the Estonian SSR, the last Estonian pre-WW II coin, the new 1 sent (date 1939), was issued. In 1927, before the kroon was officially introduced, 100 marka banknotes circulated with an "ÜKS KROON" (1 kroon) overprint. Eesti Pank introduced 10 krooni notes in 1928, followed by 5 and 50 krooni in 1929, 20 krooni in 1932 and 100 krooni in 1935. The kroon was reintroduced as Estonia's currency on 20 June 1992, replacing the Soviet ruble at a rate of 1 kroon = 10 rubles. (Each person was able to change a maximum of
European Currency Unit A common theme on the coins was usually celebrating European unity, such as celebrating membership of the European Union. In 1989, the government of the Netherlands issued a series of ECU coins from ₠2½ to ₠200, which could be spent in shops in The Hague, during the European Capital of Culture festival. Gibraltar issued commemorative coins from 1993 through 1996. European Currency Unit The European Currency Unit (₠ or ECU, ) was a basket of the currencies of the European Community member states, used as the unit of account of the European Community before being replaced by the euro on