Russia
Peter I Rouble (1721) К, Kadashevsky mint, Bitkin-481 (R), KM157.5, AU53 NGC. Obv. Laureate bust right. Rev. Crowned double-headed Imperial eagle with date and value. Sharply struck, with bold eagle's breast. The surfaces are lustrous, and minimally marked, beneath pleasing gray toning with golden highlights.
Estimate: 10000-12000 USD