Russia
R.S.F.S.R. Proof Rouble 1922-ПЛ PR66 NGC, Leningrad mint, KM-Y84. Obv. National arms. Rev. Value in center of star with date below. A dusting of light rose patina over surfaces displaying frosted devices, with mirrored fields and no significant flaws. None have been certified finer by PCGS and NGC combined.
HID02901242017
Estimate: 8000-9000 USD