A nice, fully legible piece.
Variety with mint initial by the Eagle.
Obverse: royal bust wearing 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 marking -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 date 16-00 punctuated by the Levart coat of arms;