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
Banknote Museum Banknotes issued by the provisional "mountain government" are also exhibited. This currency was valued against the equivalent value of kilograms of wheat. The 100 billion drachma banknote during the hyperinflation years of 1944 is also featured. It remains historically the highest banknote denomination in Greece and after the hyperinflation ended its value fell to just 2 drachmas. The museum is located on Aghios Spyridon Square in Corfu city and the admission is free. The museum also hosted a conference held between June 9–10, 2006, under the title of "The Economic Development of South-eastern Europe in the 19th century". Banknote Museum