Russia
Catherine II gold 10 Roubles 1778 CПБ XF45 PCGS, St. Petersburg mint, Bitkin-36 (R), Fr-129b Petr. (22 Rub). Obv. Crowned and draped bust right. Rev. Four crowned, cruciform shields with the date in the angles. A nice strike for the issue, with light haymarking and a single hairline in the right obverse field. A very scarce type.
Estimate: 12500-15000 USD