1750, German States, Rostock (City). Beautiful Copper 3 Pfennig Coin Mint Year: 1750 Denomination: 3 Pfennig References: KM-116 ($75 in XF!) Condition: Minor deposits, otherwise XF! Mint Place: Rostock (German City State) Material: Copper Diameter: 22mm Weight: 2.55gm Rostock, officially the Hanseatic and University City of Rostock (German: Hanse- und Universitätsstadt Rostock), ...