A very nice piece with well-preserved luster.
Obverse: royal bust in crown, and armor, with tubular orifice seen from the side, to the right, in the rim legend:
-SIG-III-D-----G-REX-PO-M-D-L-;
Reverse: denomination III, below it 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 two lines:
GROS-ARG-/TRIP-R-PO:, below it the coat of arms of Levart in a shield, between the initials of the Grand Treasurer of the Crown Jan Firlej - I-F, the sign of a rose with the initials H-R of Herman Rudiger and a branch with the abbreviation of the date 9-7;