Watch List notes:

(Tsarist) Russia, Nicholas I Pávlovich (1825-1855), 30-Kopeks - 2 Zloty, 1838-MW, Warsaw, crowned double-headed eagle, rev. value, incuse edge graining, 20.37g, 12h (Sev. 3262; Uzd. 4140; Diakov 272; Bitkin 1156), lightly wiped on reverse otherwise lustrous and frosty, much as issued, in NGC holder, graded AU Details ~ Surface Hairlines (Cert. 3500899-005).
provenance
New York Sale XXIX, 5 January 2012, lot 2201
Estimate: £200 - £250