City of Danzig, Bicentennial, 1650, Danzig; Av: Half-figure of the king to the right, holding a scepter topped with a fleuron and an apple of dominion, IOAN CASIM DG REX POL & SUEC M D RUS PRU; Rw: Great Coat of Arms of Danzig and initials G - R (Gerhard Rogge, lessee of the mint in Danzig), MONETA ARGENTEA CIVITATIS GEDANENS; CNG 302, Chelminski 871, Chomiński 521, Frankiewicz 677, Gum-Gd. 1779, H-Cz. 1960 (R4), Kop. 7647 (R5), Kubicki 1400, Kurp. 905 (R5), Slg. Marienburg 8507, Tyszkiewicz 50 mk; silver, 51.6 mm, 56.90 g; nicely preserved and very rare.