Russia
Nicholas II Proof 10 Kopecks 1913 СПБ-ЭБ PR65 PCGS, St. Petersburg mint, Bitkin-165 (R2), KM-Y20a.2. Obv. Crowned double-headed Imperial eagle. Rev. Crowned date and value in wreath. Mottled russet and gold toning with full mirrored surfaces. Extremely rare with the ЭБ mintmaster's initials, and the only examples we have seen of this type were all struck in Proof. We have only seen one finer than this Gem example.
Estimate: 3000-3500 USD