Russia
Nicholas I silver 5 Kopecks 1850 CПБ-ПA MS66 NGC, St. Petersburg mint, Bitkin-408, KM-C163. Obv. Crowned double-headed Imperial eagle. Rev. Crowned date and value in wreath. A superb, original example, with full strike, prooflike surfaces, and appealing green and gold toning. None have been certified finer by NGC, or PCGS.
Estimate: 800-1000 USD