Russia
R.S.F.S.R. gold Proof Chervonetz (10 Roubles) 1980 ПМД, Leningrad mint, KM-Y85, PR68 Ultra Cameo NGC. Obv. National Arms. Rev. Sower scattering seeds, with date. Full mint brilliance, with superb cameo contrast and no apparent flaws. A very scarce issue.
Estimate: 1500-2000 USD