Russia
Nicholas I platinum 6 Roubles 1835-CПБ AU55 NGC, St Petersburg mint, KM-C178, Bitkin-62 (R3), Fr-59, Petrov 40 Roubles, Ilyin 35 Roubles. Obv. Crowned double-headed Imperial eagle with orb and scepter. Rev. Date and value in beaded circle. A very rare issue with the tiny mintage of only 107 pieces. The strike is bold with minimally marked, lustrous surfaces beneath silvery-gray patina.
HID02901242017
Estimate: 40000-50000 USD