Partially deficient piece.
Obverse: in the pearl rim the coat of arms of Gdańsk, in the outer rim the legend:
COIN:CIVIT:DANC3;
Reverse: in the pearl rim a shield with a crowned eagle, in the outer rim legend:
KASIMIRVS:R:POLON[];
Silver, diameter 19.5 mm, weight 1.41 g.