Bidspirit auction | 16th c. Medieval Silver Coin

16th c. Medieval Silver Coin - Lithuanian (Poland) Duch - 16th c. Medieval Silver Coin - Lithuanian (Poland) Duchy, Grand Duchy 1/2 Groschen | Sigismund II August king of Poland (1548-1569) - Half Groschen 1556 Silver | Obverse depicts Knight - Horse and Rider in Armor with Sword and Shield and reads MONETA MAGNI DUCAT LITVA [Coin from the Grand Duchy of Lithuania] / dated 1556; Reverse depicts Eagle and reads SIGIS AUG REX PO MAG DUX LI [Sigismund August, King of Poland, Grand Duke of Lithuania].