Russia
Alexander II copper-nickel-zinc Novodel Proof Pattern 10 Kopecks 1871 PR62 NGC, Brussels mint, Bitkin-H606 (R1), Brekke-4, Ilyin 40 Rub. Obv. Portrait of Alexander II right. Rev. Value, in straight line, within wreath. Bold details, with golden patina, tiny surface marks, and minor reverse staining. NGC has incorrectly listed this piece as Brekke-H610, but H610 is for the pattern type with curved value. Very scarce.
Estimate: 2000-3000 USD