City of Danzig, Ducat, 1670, Danzig; date pierced 1669; Av: Bust of the King to the right, MICHAEL D G REX POL M D L RUS PRUS; Rw:Great Coat of Arms of the city of Danzig, below initials D - L (of mint lessee Daniel Lesse) and Lewart in oval, MON AUREA CIVITAT GEDANENS; Chelminski 943, CNG 364.I, Fr. 32, Frankiewicz 739, H-Cz. 2368 (R3), Kaleniecki p. 455, Kop. 7679 (R6), Kubicki 1484, Kurp. (1649-1696) 1134 (R5), Tyszkiewicz 45 mk; gold, 3.43 g; rare coin type.