Russia
Nicholas I Proof Rouble 1842 CПБ-AЧ PR63 NGC, St. Petersburg mint, KM-C168.1, Bitkin-200. Obv. Crowned double-headed eagle in corded circle. Rev. Crowned date and value in wreath. Fully struck, with mottled lead-gray toning and russet highlights. Close examination reveals only light hairlines. Only three examples have been certified Proof by NGC. Very rare.
HID02901242017
Estimate: 8000-9000 USD