John II Casimir, 30 groschen 1665, Cracow

A beautiful mint piece with luster and fine patina.
NGC's second highest grading.
Only one piece has been graded higher at this time.

Rare obverse variety with medium crown and slightly oval bottom.
Not described in the Shlapinskiy, Belopolskiy legend (...) SERVATA.SALV catalog.

In this condition and in this variety - a great rarity.
For the best collections.