Estonian kroon 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 kroon succeeded the mark in 1928 and was in use
Estonian kroon of 5, 10, 20 & 50 senti, as well as 1 kroon. The 1 kroon was struck in cupronickel, the others in aluminum-bronze. However, in 1997, nickel-plated steel 20 senti were introduced, followed by aluminum-bronze 1 kroon in 1998. 5 senti coins were not issued after 1994 but were still legal tender. The cupronickel 1 kroon coins from 1992, 1993 and 1995 were demonetized on 31 May 1998 because they were too similar in weight and composition to German one-mark coins, and new 1 kroon coins were issued. The 5 krooni coins were commemorative pieces and were rarely seen in