William III; Prince of Orange-Nassau and his mother Mary of England; Silver Medal. Obverse: young boy's breast with feather beret above pennant with lettering; inside wreath of orange branches. Reverse: bust of a woman within a circle; Willem III (Prince of Orange and King of England; Scotland and Ireland); Maria Henrietta Stuart; Pieter van Abeele; Amsterdam; 1654; silver (metal); founding; d 6.4 cm x w 454 gr