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 The old series will gradually be withdrawn.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
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