||Danzig. Johann II Casimir gold Ducat 1660-DL, Gdansk city Ducat, Dutkowski 314I (narrow bust), Fr-24, Hcz-2172, KM41.2, Gum-1928, AU55 NGC. Light, greenish-gold patina with no significant flaws. This example is fully lustrous, with the slight softness on the crown in the center of the reverse, that is present on the narrow bust variety. Johann II was the last Polish ruler of the house of Vasa. A patron of the arts, he assembled a wonderful private collection which he took with him to France when he abdicated the throne in 1668.
Realized $8,812.50. Description courtesy of Heritage Auctions.