Russia
Alexander I Poltina (1/2 Rouble) 1820 СПБ-ПД MS63 NGC, St. Petersburg mint, Bitkin-157, KM-C129. Obv. Crowned double-headed Imperial eagle with wings up, date, and value. Rev. Crowned four-line inscription in wreath. An exceptional example, with light russet patina over well struck, full lustrous surfaces displaying only a few tiny imperfections. A visually pleasing specimen of this conditionally rare type.
Estimate: 3000-4000 USD