Watch List notes:

POLAND, Monarchy. Jan II Kazimierz. 1648-1668. AV Dukat (24mm, 3.45 g, 12h). Gdansk (Danzig) mint; Gerard Rogge, mintmaster. Dated 1653 GR. IOA · CAS · D · G · R · POL · & SuE · M · D · L · R · P ·, crowned, draped, and armored bust right / MON · AUREA CIVITAT : GEDANENS : 1653/1 ·, civic coat-of-arms with leonine supporters; above, flower within floral wreath; G R across lower field. D&S, Gedanensis, 309; Kopicki 7654; MP 1759e; KM 41.1. EF.


From the Jack A. Frazer Collection. Ex Coin Galleries (13 February 1991), lot 564.