A very nicely preserved piece. Good details.
A variant of punctuation not described in Iger.
Obverse: royal bust with crown to the right, in the rim legend:
-SIG-III-D G R-POLON 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 three lines:
GROS-ARG/TR-R-POLO/NI, the Levart coat of arms in a shield, between the initials of the Grand Treasurer of the Crown Jan Firlej I-F, on the right the abbreviated date 95;