POLAND. DANZIG. Ducat, 1660-DL. John Casimir. NGC MS-61.Fr-24; KM-113; Gum-1928; Parchimowicz-1799h. RARE. Boldly struck exhibiting significant glossy luster and dark honey golden toning. The most noticeable mark in the field, to the right of the bust, is actually a tiny lamination that has partially peeled away. Brilliant and highly attractive.From the Collection of Dr. James Eustace Bizzell, II.