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
Marco Kroon Troops") in Roosendaal. On the 24th of Februari the Telegraaf newspaper published an article about Kroon. It claimed that Captain Kroon would be joining the Dutch mission in Mali (MINUSMA). Based in Gao, in a staff function as a planner for the 105th Commando Troop Compagny, his job will be mainly planning long range reconnaissance missions. This news was confirmed by the commander of the Korps Commando Troepen, Colonel Jan Swillens. In November 2014 Kroon was promoted to major and assigned to the Land Training Centre in Amersfoort. From March 2006, to August 2006, Kroon, then a lieutenant, was dispatched