Russia
Nicholas I copper Proof Pattern Denga (1/2 Kopeck) 1840-CПБ PR65 Brown PCGS, St. Petersburg mint, KM-Pn103, Bit-935, Brekke-38. Originating from the Pattern series of coinage minted in St. Petersburg with Nicholas I's monogram. Displaying an expert striking and a gem level of preservation, fully enveloped in a deep and luscious walnut patination.
Ex. Dr. Robert Hesselgesser Collection (Goldberg Auction 31, May 2005, Lot 2033)
https://coins.ha.com/itm/russia/russia-nicholas-i-copper-proof-pattern-denga-1-2-kopeck-1840-cand-1055-and-1041-pr65-brown-pcgs-/a/3098-34316.s?type=DA-DMC-CoinArchives-WorldCoins-3098-01182022
HID02906262019
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Estimate: 640-960 USD