Watch List notes:

(g) Poland, Nicholas I (1825-55), gold 3-Rouble or 20-Zlotych, 1834 CHB, St Petersburg, 3.89g (Bitkin 1075; Plage 299; Kopicki 9461 [R2]; Berezowski 35zl; Fb. 111), lightly cleaned, otherwise residually lustrous, very fine, the obverse better still, rare.

Estimate: £400 - £600