Russia
Catherine II Poltina (1/2 Rouble) 1777 СПБ-ѲЛ AU53 NGC, St. Petersburg mint, KM-C66b, Bit-295 (R1). Gray patina, with full underlying mint luster and light spots. A very rare issue with only four pieces, total, certified by NGC and PCGS combined.
https://coins.ha.com/itm/russia/russia-catherine-ii-poltina-1-2-rouble-1777-and-1057-and-1055-and-1041-and-1051-au53-ngc-/a/3082-34685.s?type=CoinArchives3082
HID02906262019
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Estimate: 1000-1400 USD