Watch List notes:

Russia - Catherine II (1762-1796) - 10 Roubles 1767-CПБ, St. Petersburg mint - variety with inverted П in C∐Б (KM79a, Bit.17/R1, Diakov159A/R3, Fr.129a) - Obv: Crowned bust of Catherine II right / Rev: Cross of four crowned shields, date in angles - Gold 12.79 g. - XF, well struck, with bright yellow-gold color, this variety is not listed in Mikhailovich, Ilin & Tolstoy, Petrov, Severin, Uzdennikov, also unpictured in Diakov, an extremely rare variety, we could find only one result at Heritage Auctions, New York sale #3044 (2016) lot 31398