Russia
Catherine II Poltina (1/2 Rouble) 1768 CПБ-AIII XF45 NGC, St. Petersburg mint, Bitkin-283 (R), Diakov-203 (R1), KM-C66a. Obv. Crowned and mantled bust of Catherine II right. Rev. Crowned double-headed Imperial eagle with date and value. A very scarce type, this piece is nicely struck for the issue, with minor flan flaws and light marks.
Estimate: 1500-2000 USD