Watch List notes:

Poland 2 Grosze 1651 CG Bydgoszcz. John II Casimir Vasa (1649–1668). Averse: The letters C-G (Krzysztof Guttman) on the sides of the Eagle. Reverse: Crown above value; legend and date. Silver. KM 97; Kop. 1587 (R) RARE TYPE