John II Casimir, 18 groschen 1656, Lviv

Beautifully preserved details.

Typical of Lvov scarcity issues.

Obverse: in the rim bust of the king wearing a crown, armor to the right, on the sides denomination mark I-8, in the outer rim legend:
IO:CASI[]-D L-RVS:PRVS &-;

Reverse: crowned five-field escutcheon with the coats of arms of the Crown, the Grand Duchy and the Vasa dynasty, in the outer rim legend:
[]:GOTH:VANDL-Q HR:REX;