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 The old series will gradually be withdrawn.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
Polymer banknote countries and regions with notes printed on Guardian polymer in circulation include: Bangladesh, Brazil, Chile, Costa Rica, Dominican Republic, Hong Kong (for a 2-year trial), Indonesia, Israel, Kuwait, Malaysia, Mexico, Nepal, Philippines (no longer issued), Solomon Islands (no longer issued), Samoa, Singapore, Sri Lanka, Thailand and Zambia. Canada released its first polymer banknote ($100) on 14 November 2011, followed by the $50 banknote on 26 March 2012, the $20 banknote on 7 November 2012 and finally, the $10 and $5 banknotes on 7 November 2013. Countries and regions that have issued commemorative banknotes (which are not in circulation) on Guardian