A beautiful circular piece.
An undescribed punctuation variant 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 REX P M D L-;
Reverse: denomination .III., below it coats of arms Eagle - of the Crown of the Kingdom of Poland, Snop - of the Vasa dynasty, and Pogo - of the Grand Duchy of Lithuania between dots, below it legend in three lines:
-GROS-ARG-/-TRIP-REG-/-POLON-9-5-, below it coats of arms - Lewart of the Great Crown Treasurer Jan Firlej, between initials -I-F-, and Radwan of the owner of the Bydgoszcz mint Stanislaw Cikowski between initials S-C, between coats of arms, above initials a dot;