Russia
Catherine II 5 Kopecks 1764-MM XF45 Brown NGC, Moscow mint, KM-C59.6, Bit-522. Adequate detail for the grade, with heavy porosity on both sides.
https://coins.ha.com/itm/russia/russia-catherine-ii-5-kopecks-1764-mm-xf45-brown-ngc-/a/61254-98214.s?type=DA-DMC-CoinArchives-WorldCoins-61254-01232022
HID02906262019
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Estimate: 100-150 USD