Russia
Alexander II Proof "Nicholas I Memorial" Rouble 1859 PR64 NGC, KM-Y28, Bit-567. By A. Lyalin. Obv. Bust of Nicholas I left. Rev. Nicholas I monument. A stunning example, with deeply mirrored fields, minimally marked surfaces, and attractive bluish-gray patina with golden highlights. Very rare, with none certified finer by either NGC, or PCGS.
HID02901242017
Estimate: 6000-8000 USD