Circulating Piece.
A rarer typological item.
An undescribed punctuation variant in Iger.
Obverse: royal bust to the right, legend in the rim:
SIGISM-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 Pose of the Grand Duchy of Lithuania, below it the legend in three lines:
GROS-ARG:/TRIP-REG:/POLONI-, below it the date 16K05;