Russia
Nicholas I 20 Kopecks 1830 CПБ-HГ, St. Petersburg mint, Bitkin-139 (R1) (variety with no eagle's tail), KM-C158, MS63 NGC. Obv. Crowned double-headed Imperial eagle with wings down, and date. Rev. Crowned value in wreath. Well struck, with argent-gray patina and scattered small areas of russet toning. A very rare variety and the first of this type we have seen.
Estimate: 2000-2500 USD