Russia
Alexander III 25 Kopecks 1891 AГ MS64 NGC, St. Petersburg mint, Bitkin-94 (R), Severin-4003. Obv. Bust of Alexander III right. Rev. Crowned double-headed Imperial eagle with date and value. Toned in shades of argent-gray and gold, with full underlying luster. The surfaces show some reflectivity, and only a few very minor marks are noted. No Mint State examples have been certified finer by either NGC, or PCGS.
Estimate: 5000-7000 USD