Russia
Nicholas I Proof Rouble 1832 CПБ-HГ PR64 NGC, St. Petersburg mint, KM-C168.1, Bitkin-158 (R1). Featuring brilliant surfaces and a lightly dappled tone, this pleasing Proof crown is an exceptional example of the type. An extremely rare, and Choice, Proof issue, with none certified finer by either NGC, or PCGS.
Estimate: 15000-20000 USD