Russia
Alexander III Proof Rouble 1891 AГ PR64 Cameo NGC, St. Petersburg mint, KM-Y46, Bitkin-74. Obv. Head of Alexander III right. Rev. Crowned double-headed eagle with date and value. Greenish-gold patina over well struck details, with nice cameo appearance. An extremely rare Proof issue and the only Proof piece certified by NGC or PCGS.
HID02901242017
Estimate: 15000-20000 USD