Russia
Nicholas I copper Proof Pattern 3 Kopecks 1840-СПБ PR64 Brown PCGS, St. Petersburg mint, KM-Pn106, Bit-929 (R2), Brekke-206. Flawlessly struck, and enhanced by a myriad of attractive wood tones, highlighting a paucity of distracting marks throughout the reflective fields. An exceptional example of the grade.
Ex. Dr. Robert Hesselgesser Collection (Goldberg Auction 31, May 2005, Lot 2049)
https://coins.ha.com/itm/russia/russia-nicholas-i-copper-proof-pattern-3-kopecks-1840-and-1057-and-1055-and-1041-pr64-brown-pcgs-/a/3098-34320.s?type=DA-DMC-CoinArchives-WorldCoins-3098-01182022
HID02906262019
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Estimate: 1600-2400 USD