A nice piece, light minting doubling.
Very rare variety with the king's name on both sides, appreciated with high rarity grades (Kopicki R5-R6, CNCT R4).
Obverse: in the pearl rim a shield with the city coat of arms, in the outer rim a legend:
[]ASIMIR D G R POLONIE;
Reverse: in the pearl rim a shield with the coat of arms of Prussia, in the outer rim legend:
KASIMIR D G R POLONIE;
Silver, diameter 20 x 21 mm, weight 1.32 g.