Watch List notes:

The Oksana Bennett Collection of Russian Coins | Catherine II 'Velikaya' (1762-1796), 5-Kopeks (3), 1772-EM, Ekaterinburg, edge treaded, 54.45g, 12h (Brekke 230; Uzd. 2723; Diakov 264; Bitkin 621), slightly off centre, otherwise almost extremely fine for strike; another, 1788-EM, Ekaterinburg, edge treaded, 55.01g, 1h (Brekke 270; Uzd. 2792; Diakov 597; Bitkin 642), rubbed, very fine; lastly, >1790-EM, Ekaterinburg, 12h (Brekke 283; Uzd. 2826; Diakov 555; Bitkin 644), extremely fine, in NGC holder, graded AU58 BN (Cert. 2753091-025)

provenance
i, iii) Golden Horn Collection, Stack's (New York), 12 January 2009, lot 3687