Poland, John Casimir, Gdańsk, ort 1656, Gdańsk (Danzig) mint.
A variant with a smaller bust of the king, the inscription GEDANENSIS on the reverse.
Silver, 6.76 g, 24.8 mm. CNG 284.a, Kop. 7621 (R2), Tyszkiewicz 1.50 mk.
Grade: Near XF, well preserved for this type of coin.