Russia
Elizabeth Rouble 1759 CПБ-ЯI, St. Petersburg mint, Bitkin-289, Diakov-522, Petrov (3.5 Rub), AU58 NGC. Argent-gray toning over lustrous surfaces with a slight touch of rubbing on the high points. Very rare in this near-mint condition. The is the single finest example of this issue certified by NGC.
Estimate: 6500-7500 USD