Euro banknotes entered circulation on 23 September 2014. The full design of the Europa series 20 euro banknote was revealed on 24 February 2015, On 4 May 2016, the European Central Bank announced that the Europa series 500 euro banknote would not be released, due to fears of "facilitating the criminal activity". The old series will gradually be withdrawn. The ECB will announce "well in advance" when the old notes will lose their legal tender status. However, they will not lose their value and it will be possible to exchange them for new notes at Eurosystem central banks indefinitely. "A good design
500 krooni 500 krooni The 500 krooni banknote (500 EEK) is a denomination of the Estonian kroon, the former currency of Estonia. Carl Robert Jakobson (1841–1882), who was an Estonian politician, publisher, writer and promoter of agriculture, is featured on the front side of the bill, which is why the 500 krooni bill is often called a ""Jakobson"". A barn swallow in flight on a landscape background is featured on the reverse side of the banknote. Before the replacement of the EEK by the euro, the 500 krooni banknote was commonly dispensed by ATMs in Estonia as well as the primary banknote