Russia
Alexander II Poltina (1/2 Rouble) 1857 CПБ-ФБ MS64 NGC, St. Petersburg mint, Bitkin-51, KM-C167.1. Obv. Crowned double-headed Imperial eagle. Rev. Crowned date and value in wreath. Full mint brilliance, with a flawless strike and only a few tiny contact marks. An upper-end example of the grade.
Estimate: 1500-2000 USD