Russia
Alexander I copper Proof Novodel Denga 1810-EM PR64 Brown NGC, Ekaterinburg mint, Bitkin-H401 (R2), Brekke-142. Obv. Crowned double-headed eagle holding orb and scepter with date below. Rev. Crowned value and mintmark within wreath. Superbly struck, with deeply mirrored fields and no flaws worthy of mention. A very rare Novodel issue.
Estimate: 1500-2000 USD