Russia
Nicholas I platinum3 Roubles 1833 CПБ MS61 PCGS, St. Petersburg mint, Bit-79 (R), Fr-160, KM-C177. Obv. Crowned double-headed Imperial eagle with orb and scepter. Rev. Date and value in beaded circle. A rare and underrated issue with only a single Mint State piece certified finer by both PCGS, and NGC, combined (MS62).
Estimate: 5000-6000 USD