Russia
Catherine I Rouble 1726 СПБ, St. Petersburg mint, Bitkin 151 (R3), Diakov 42, Petrov 2 (30 Rub), PCGS Genuine, Cleaning, XF Details. Obv. Draped bust right. Rev. Crowned double headed Imperial eagle with date. An extreme rarity, this issue has been rather heavily cleaned, but retains significant detail. The only example we have seen of this seldom offered variety.
Estimate: 7000-8000 USD