Watch List notes:

Catherine II (1762-1796), 2-Roubles, 1786 over 5-CNB, St. Petersburg, crowned, draped and cuirassed bust right, signature below, rev. crowned double-headed eagle, edge obliquely grained, 2.48g, 11h (Sev. - [cf. 334]; Uzd -; Diakov 453; Bitkin 114), lustrous, good very fine, the overdate seldom encountered, very rare

provenance
Stack's, Coin Galleries, 18 July 2007, lot 2723