A well struck piece.
Type VI bust, a rare variant with a small letter A in ARGEN.
Obverse: in the rim a royal bust wearing a crown, armor and cloak, with the Order of the Golden Fleece, to the right, in the outer rim a legend punctuated by the Ślepowron coat of arms:
IOAN-CASI-D-G--REX-POL-ET-SVE;
Reverse: in the rim crowned two, slightly curved coat of arms with the coats of arms of the Crown and the Grand Duchy of Lithuania, under the crown the denomination marking VI, below, initials g b-a punctuated by the Coat of Arms of the Vasa dynasty in the coat of arms shield, in the outer rim the legend:
GRO-ARGEN-SEX-REG-POL-1661;
