Russia
Nicholas I Poltina (1/2 Rouble) 1828 CПБ-HГ AU58 NGC, St. Petersburg mint, KM-C160, Bit-118. Mottled gray patina, with underlying mint luster and reflective surfaces. Very slight rubbing on the high points. A very rare issue, with only three examples certified in all grades, by NGC and PCGS, with this piece the finest of the three.
HID02901242017
Estimate: 1000-1500 USD