Russia
Nicholas I copper Proof Pattern 2 Kopecks 1840 C.П.Б. PR64 Brown NGC, St. Petersburg mint, Bitkin-931 (R2), Brekke-165 (R). Obv. Crowned monogram. Rev. Date and value. Flawless strike, with fully mirrored fields and small obverse handling marks. An extremely rare issue, with pleasing eye-appeal.
Estimate: 5000-6000 USD