A nice piece with good details, in patina on both sides.
Obverse: in the pearl rim a royal bust wearing a crown, armor and cloak studded with jewels, with the Order of the Golden Fleece, to the right, in the outer rim the legend:
IOAN-CASIMI-D:G:REX-POL-& SVEC-M-D-L-R-P:;
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 coat of arms of the Snopes of the Vasa dynasty, the sides of the denomination marking 1-8 and initials A-T, in the outer rim a legend punctuated by the Wieniawa coat of arms:
MON-NOV-REG-POL--POSNAN-FAC-1654;
