1842, Russia, Emperor Nicholas I. Beautiful Copper ½ Kopek Coin Mint Year: 1842 Reference: KM-143.3. Denomination: ½ Kopek Mint Place. St. Petersburg (С.П.М.) Diameter: 21.5mm Material: Copper Weight: 4.93gm Obverse: Value (½) above denomination ("Kopek Silver"), date (1842.) and mint initials (С.П.М.). Reverse: Crown above intial letter (N) and roman numeral (I). Nichol ...