Watch List notes:

RUSSIA, Empire. Ekaterina II Velikaya (the Great). 1762-1796. AR 20 Kopeks (23mm, 12h). Sankt-Peterburg (St. Petersburg) mint. Dated 1784 CΠЬ. Crowned bust right; спь below / Crowned double-headed imperial eagle facing with wings displayed, holding scepter and orb; on breast, shield inscribed with value; date on banner below. Edge: /////. Diakov 487; Bitkin 397; Uzdenikov 1146; Severin 2208. In NGC encapsulation, 3893329-002, graded AU 55.

Ex Stacks Bowers Galleries (12 August 2015), lot 33609.