A nice piece of a typologically rare item with a ring above the shield with the coat of arms of Prussia.
Obverse: in the pearl ring the coat of arms of the city in the shield, in the outer ring the legend:
+KASIMIR D G R POLONIE;
Reverse: in pearl border shield with coat of arms of Prussia, in outer border legend:
+MONETA○TORVNENSIS;
Silver, diameter 21 mm, weight 1.32 g.