Watch List notes:

Catherine II (1762-1796), Rouble, 1779, St. Petersburg, crowned, draped and cuirassed bust right, signature below, rev. crowned double-headed eagle, edge obliquely grained, 1.16g, 11h (Sev. 321; Uzd. 4088; Bitkin 115; Diakov 388; Harris 115), the obverse perhaps once lightly wiped, otherwise lustrous, the reverse handsomely toned with hues of reddish-orange overlying mint brilliance, rare

provenance
Kunker 315, 11 October 2018, lot 8914