A nice, glossy piece. Sheet flaws.
Variety with double circle and asterisk as legend starting marks. An undescribed variant of the legend in Kopicki and CNG.
Obverse: in the pearl rim the coat of arms of Gdansk, in the outer rim the legend:
COIN:CIVIT:DANC;
Reverse: in the pearl rim a shield with a crowned eagle, in the outer rim legend:
*KASIMIRVS:R:POLONI;
Silver, diameter 20 mm, weight 1.49 g.