Russia
Alexander II silver Proof 5 Kopecks 1858 CПБ-ФБ PR63 NGC, St. Petersburg mint, Bitkin-69 (R), Sev-3670. Obv. Crowned double-headed eagle holding orb and scepter. Rev. Crowned date and value in wreath. Superbly struck, with mottled gray toning and deeply mirrored fields. The rarest issue of this type.
Estimate: 1500-2000 USD