A very nice piece. Patina, tarnish.
Obverse: denomination III, below it the coat of arms of Riga, separating the date 15-97 and the beginning of the legend GR-OS, below it further 3 lines of the legend ending with a lily:
ARG+TRIP/CIVI+RI/+GE;
Reverse: crowned royal bust with numerous jewels in crown rim, wearing armor, with tubular orifice seen from the side, to the right, in the rim legend:
SIGxIIIxD:GxREXxPOxDxLI;
