Russia
Nicholas I gold 5 Roubles 1831 CПБ-ПД XF45 NGC, St. Petersburg mint, Bitkin-6, Fr-154, KM-C174. Obv. Crowned double-headed Imperial eagle with date and value. Rev. Crowned four-line inscription in wreath. A decent strike for this scarce wings down type, with lustrous golden color and a few light marks.
Estimate: 2500-3000 USD