Estonian kroon until the Soviet invasion in 1940 and Estonia's subsequent incorporation into the Soviet Union when it was replaced by the Soviet ruble. After Estonia regained its independence, the kroon was reintroduced in 1992. The kroon became the currency of Estonia on 1 September 1928 after having been a unit of account since 1924. It replaced the mark at a rate of 100 mark = 1 kroon. The kroon was subdivided into 100 sent. In 1924, the kroon was pegged to the Swedish krona at par, with a gold standard of 2480 kroon = 1 kilogram of pure gold. The standard
Marc Kroon on a new contract, and ended up being a free agent. Kroon was later signed by the Yomiuri Giants along with two other major non-Japanese free agents: former Tokyo Yakult Swallows standouts Seth Greisinger, and Alex Ramirez. In 2008, Kroon led the Central League in saves with 41. He also broke his own record of pitching to 162 km/h (101 mph). Kroon signed a minor league contract with an invitation for spring training with the San Francisco Giants in 2011. Kroon was reassigned to triple-A Fresno Grizzlies at the end of spring training. Kroon was featured in the Showtime television