Russia
Anna Rouble 1731 AU58 NGC, Kadashevsky mint, Bitkin-43, Diakov-15. Obv. Crowned bust right. Rev. Crowned double-headed Imperial eagle with date and value. Superbly struck for the issue, with attractive gray toning over lustrous surfaces. Only the slightest bit of wear is visible on Anna's hair and the only mentionable imperfection is a reverse flan flaw on the edge between 12 and 1 o'clock.
Estimate: 2000-2500 USD