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 The old series will gradually be withdrawn.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 euro coins cent is known as the "lepto" (λεπτό; plural "lepta", λεπτά) in Greek. Greece did not enter the Eurozone until 2001 and was not able to start minting coins as early as the other eleven member states, so a number of coins circulated in 2002 were not minted in Athens but in Finland (€1 and €2 – mint mark "S"), France (1c, 2c, 5c, 10c and 50c – mint mark "F") and Spain (20c – mint mark "E"). The coins minted in Athens for the euro introduction in 2002, as well as all the subsequent Greek euro coins, carry only the