A beautiful circular piece with lots of luster.
A variant of reverse punctuation not described in Iger.
Obverse: royal bust wearing crown, and armor, with tubular orifice seen from above, to the right, in the rim legend:
SIG III D G-R POLO M D L;
Reverse: denomination marking -III-, below it between dots the coats of arms of the Eagle of the Crown, the Sheaf of the Vasa dynasty, and the Pogo of the Grand Duchy of Lithuania, below it the legend in three lines:
--------/GROS-ARG/TR-R-POLO/-NI--97, the last line splits the coat of arms Lewart in a shield, between the initials of the Grand Treasurer of the Crown Jan Firlej - -I--F;
