Watch List notes:

(g) The Oksana Bennett Collection of Russian Coins | Alexander I Pávlovich (1801-1825), Imitation of a Dutch Ducat, 1806, St. Petersburg, edge obliquely grained, 3.56g, 12h (Bitkin 17), possibly once wiped, otherwise lustrous with a hint of tone, almost extremely fine and rare

provenance
Gorny & Mosch 193, 14 October 2010, lot 5243