Russia
Anna Poltina (1/2 Rouble) 1733 AU55 NGC, Kadashevsky mint, Bitkin-147, KM195, Diakov-8. Obv. Crowned, and armored bust of Anna right. Crowned double-headed Imperial eagle with date and value. An exceptional example of this very scarce issue. The strike is bold, and the surfaces free of significant flaws, with considerable original luster remaining.
Estimate: 2500-3000 USD