A nice, well-minted piece for a "Lvovian".
Obverse: royal bust in armor, with a protruding lace collar, wearing a cloak, with the Order of the Golden Fleece, in the rim a legend punctuated by the Slepowron coat of arms:
IOAN-CASI-D-G--REX-POL-ET SVE;
Reverse: crowned two, slightly curved straight coats of arms with the coats of arms of the Crown and the Grand Duchy of Lithuania, above, under the crown, the denomination mark VI, below, the initials G B-A - Giovanni Baptista Ammuretti, punctuated by the Coat of Arms of the Vasa dynasty in an ornamental shield of arms, surrounded by a legend:
GRO-ARGEN-SEX-REG-POL-1-661;