Watch List notes:

The Oksana Bennett Collection of Russian Coins | Nicholas I Pavlovich (1825-1855), Copper 10-Kopeks, 1833-EM, Ekaterinburg, Fedor Chwochinski, crowned double-headed eagle, wings down, rev. value and date, edge plain, 47.81g, 12h (Uzd. 3308; Diakov 133; Bitkin 463), nice chocolate patina, good very fine; also, 5-Kopeks, 1831-EM, Ekaterinburg, Fedor Chwochinski, edge plain, 22.55g, 12h (Brekke 241; Uzd. 3294; Diakov 93; Bitkin 482), much mint colour to reverse, good extremely fine, scarce; also, 3-Kopeks, 1841-EM, Ekaterinburg, 12h (Brekke 208; Uzd. 3395; Diakov 377; Bitkin 539; C.146.1), almost extremely fine, in NGC holder, graded AU55 BN (Cert. 2750109-055); and, 2-Kopeks, 1827-EM, Ekaterinburg, Ivan Kolovov, edge plain, 14.85g, 11h (Brekke 133; Uzd. 3259; Diakov 25; Bitkin 446), verdigris to rim, otherwise about very fine; another 1852-EM, Ekaterinburg, edge plain, 8.45g, 12h (Brekke 191; Uzd. 3504; Diakov 622; Bitkin 596), some edge marks, good very fine; additionally, Kopek, 1840-EM, Ekaterinburg, edge plain, 12h (Brekke 99; Uzd. 3382; Diakov 340; Bitkin 557), extremely fine, in NGC holder, graded AU58 BN (Cert. 3157954-018); and, 1853-EM, Ekaterinburg, edge plain, 5.78g, 12h (Brekke 126; Uzd. 3259; Diakov 25; Bitkin 446), near extremely fine; lastly, Polushka, 1850-EM, Ekaterinburg, edge plain, 1.33g, 12h (Brekke 22; Uzd. 3486; Diakov 581; Bitkin 621), near extremely fine (8)

provenance
iii) Stack's Coin Galleries, 18 August 2009, lot 4914
vi) Gorny and Mosch 205, 8 March 2012, lot 6205