Russia
RSFSR gold 10 Roubles (Chervonetz) 1923-ПЛ MS62 NGC, Leningrad mint, KM-Y85, Fr-181. Full cartwheel luster on both sides and a sparkling example with splendid details. No rim dings or any edge knocks and seems a bit conservatively graded.
Estimate: 1500-2000 USD