John II Casimir, 18 groschen 1668, Bromberg

Circulating piece of the last vintage of John Casimir's orts.

Obverse: in the rim a crowned royal bust to the right, below it the initials T.L.B., in the rim a legend punctuated by the Slepowron coat of arms:
IOANxCASIMIRxDxG-REX POLx& SVE:;

Reverse: in the pearl rim crowned with a five-cornered crown, with 5 rosette fleurons, a five-field ornamental escutcheon with the coats of arms of the Crown, the Grand Duchy of Lithuania and the Slepowron coat of arms of the Vasa dynasty, on the sides the denomination marking 1-8, in the outer rim the legend:
MONETxNOVAxARGxREGxPOLx1668x;