20 euro note about two years before it is replaced due to wear. It is the third-smallest note, measuring 133 x 72 mm with a blue colour scheme. The twenty euro banknotes depict bridges and arches/doorways in Gothic architecture (between the 13th and 14th century CE). The twenty euro note contains several complex security features such as watermarks, invisible ink, holograms and microprinting that document its authenticity. The full design of the Europa series 20 euro banknote was revealed on 24 February 2015 and launched on 25 November 2015. The euro was founded on 1 January 1999, when it became the currency of
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