Russia
R.S.F.S.R. silver Proof Rouble 1922 ПЛ PR66 NGC, Leningrad mint, KM-Y84. Obv. National arms. Rev. "1" in star with date below. Boldly detailed devices, with a touch of russet toning. The fields are fully mirrored and the devices display noticeable frosting. This sterling example is tied with one other piece as the finest certified by NGC.
Estimate: 8000-10000 USD