Russia Zolotnik - Gold Mine Ingot., ND (ca.1885-1901) Saint Petersburg Mint. Alexander III (1881-94).
Nicholas II - Alexander III; Bit-262; KM-2. These were minted during the late 19th and early 20th century based on Russian law which provided that gold mines should receive back the silver recovered from their ore after refining. The silver was returned in circular ingots with various weights, and are not technically denominated. Beautifully toned with deep green and blue patina.