Russia
Nicholas I 25 Kopecks 1829 CПБ-HГ MS62 NGC, St. Petersburg mint, Bitkin-128, KM-C159. Obv. Crowned double-headed Imperial eagle, with wings down, and date below. rev. Crowned value and mintmark in wreath. Softly struck, with gray obverse patina and gray reverse patina with gold and blue peripheral color. Both sides show underlying luster with light contact marks. Ex: Falz-Fein Collection.
Estimate: 1200-1400 USD