Russia
Catherine II gold 10 Roubles 1780-СПБ XF40 NGC, St. Petersburg mint, KM-C79b, Bit-38 (R), Fr-129b. Crowned bust right / Crowned cruciform shields, date in angles. Produced by a well-centered strike, glints of mint luster retained over surfaces displaying balanced circulation wear and only very faint obverse adjustment marks.
https://coins.ha.com/itm/russia/russia-catherine-ii-gold-10-roubles-1780-and-1057-and-1055-and-1041-xf40-ngc-/a/3089-33179.s?type=CoinArchives3089
HID02906262019
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Estimate: 3000-4000 USD