Siege of Amsterdam; medal awarded to the shooters after the siege; Silver medal. Front: three armed shooters with a coat of arms; inside an inscription. Reverse: inscription; Amsterdam; Willem II (Prince of Orange); Joan Huydecoper of Maarseveen (I); Joan Huydecoper of Maarsseveen (II); Frans Oetgens van Waveren; Otto Barentsen Smient; anonymous; 1651; silver (metal); engraving; d 5.6 cm x w 315 gr