Watch List notes:

Nicholas I (1825-1855), 25-Kopeks - 50 Groszy, 1847-MW, Warsaw, crowned double-headed eagle, rev. value and date in wreath, incuse edge graining, 1h (Sev 3515; Uzd. 4181; Diakov 528; Bitkin 1253), brilliant, extremely fine or better, in PCGS holder, graded MS62 (Cert. 17260465)

provenance
Kunker 222, 31 October 2012, lot 9379