Estonian kroon circulation. Coins in circulation before being replaced by the euro: Estonian kroon The kroon (sign: kr; code: EEK) was the official currency of Estonia for two periods in history: 1928–1940 and 1992–2011. Between 1 January and 14 January 2011, the kroon circulated together with the euro, after which the euro became the sole legal tender in Estonia. The kroon was subdivided into 100 cents ("senti"; singular "sent"). The word "kroon" (, “crown”) is related to that of the Nordic currencies (such as the Swedish krona and the Danish and Norwegian krone) and derived from the Latin word "corona" ("crown"). The
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