Russia
Nicholas I Rouble 1830 CПБ-HГ AU58 NGC, St. Petersburg mint, Bitkin-108, KM-C161, AU58 NGC. Obv. Crowned double-headed Imperial eagle with wings down. Rev. Crowned four-line inscription in wreath. Essentially a mint state coin with all details sharp and full mint luster.
Estimate: 800-1000 USD