5 zl 250th Anniversary of the Foundation of the Warsaw Mint

_{February 10, 1766 - a monetary reform came into effect along which a new monetary system in Poland is created. In 1966, i.e. the 200th anniversary of the event, this date is set to be the official date of the foundation of the Warsaw Mint. On the occasion of the 250th anniversary of the Warsaw Mint National Bank of Polish emits a coin with the current 5 zl.}