Russia, Emperor Nicholas I. Silver 10 Kopeks Coin. Denomination: 10 Kopeks Mint Place: St. Petersburg (С.П.Б.) Mint Master: Nikolai Grachev (Н-Г, 1825-1842) Material: Silver (.868) Diameter: 18mm Weight: 2.01gm Obverse: Value (10) above denomination (KOPEKS) above mint initials (С.П.Б.). All within wreath. Reverse:Crown above double-headed heraldic eagle with scepter and orb in claws. ...