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 The old series will gradually be withdrawn.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
Greek drachma drachmae = 1 United States dollar. In 1973, the Bretton Woods System was abolished; over the next 25 years the official exchange rate gradually declined, reaching 400 drachmae to 1 U. S. dollar. On 1 January 2002, the Greek drachma was officially replaced as the circulating currency by the euro, and it has not been legal tender since 1 March 2002. The first issue of coins minted in 1954 consisted of holed aluminium 5-, 10- and 20-lepton pieces, with 50-lepton, 1-, 2-, 5- and 10-drachma pieces in cupro-nickel. A silver 20-drachma piece was issued in 1960, replacing the 20-drachma banknote,