1735, German States, Rostock (City). Silver-Plated Copper Pfennig CoinMint Year: 1735 Mint Place: Rostock References: KM-114. Denomination: 1 Pfennig Material: Copper Diameter: 16mm Weight: 0.88gm Rostock, officially the Hanseatic and University City of Rostock (German: Hanse- und Universitätsstadt Rostock), is the largest city in the German state of Mecklenburg-Western Po ...