Russia
Siberia. Catherine II 5 Kopecks 1780-KM AU Details (Environmental Damage) NGC, Suzun mint, KM-C5, Bit-1086 (R). The surfaces display light porosity, with notable contact marks.
https://coins.ha.com/itm/russia/siberia/russia-siberia-catherine-ii-5-kopecks-1780-km-au-details-environmental-damage-ngc-/a/61271-99271.s?type=DA-DMC-CoinArchives-WorldCoins-61271-05222022
HID02906262019
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Estimate: 150-200 USD