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.

HID09801242017

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