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 The old series will gradually be withdrawn.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
Fifth series of the new Taiwan dollar banknote counterfeiting concerns and possible confusion with the NT$100 banknote. NT$500 banknotes without the holographic stripe have been recalled and withdrawn from use on 1 August 2007. As of 1 October 2007, only the Bank of Taiwan (now the Central Bank of the Republic of China) accepts such notes. The obverse of the banknote features four children studying around a globe, symbolizing education. It is nicknamed 小朋友, "little children" (literally young friends) by the general public. The reverse of the banknote features the Mikado pheasant and Jade Mountain. First introduced on 3 July 2000, the banknote was found to have contained