Russia
Alexander I Poltina (1/2 Rouble) 1802 СПБ-AИ MS63 NGC, St. Petersburg mint, Bitkin-42 (R), KM-C123. Obv. Crowned double-headed Imperial eagle in circle with date and value around. Rev. Crowned four-line-inscription in wreath. Fully lustrous, with a touch of golden toning. The first-year issue of this scarce type and also the lowest mintage. Conditionally extremely rare, and the only piece certified in Mint State by either NGC, or PCGS.
Estimate: 12000-15000 USD