Russia
Nicholas I platinum 3 Roubles 1828-CПБ MS63 Prooflike NGC, St. Petersburg mint, KM-C177, Bit-73 (R1). Intensely bright mirror fields define the prooflike certification, striking detail fully choice and needle-sharp. Very seldom offered in higher grades.
https://coins.ha.com/itm/russia/russia-nicholas-i-platinum-3-roubles-1828-cand-1055-and-1041-ms63-prooflike-ngc-/a/3081-31173.s?type=CoinArchives3081
HID02906262019
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Estimate: 2000-3000 USD