Russia
Nicholas I copper Proof Pattern 2 Kopecks 1840-СПБ SP66 Brown PCGS, St. Petersburg mint, KM-Pn105, Bit-931 (R2), Brekke-165. The sole finest survivor of this Pattern issue and one usually never encountered this fine, exhibiting crisp chocolate-brown patina across the fresh Gem surfaces.
Ex. Hesselgesser Collection
https://coins.ha.com/itm/russia/russia-nicholas-i-copper-proof-pattern-2-kopecks-1840-and-1057-and-1055-and-1041-sp66-brown-pcgs-/a/3106-34194.s?type=DA-DMC-CoinArchives-WorldCoins-3106-01172023
HID02906262019
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