Watch List notes:

(g) France, Restored Kingdom, Louis XVIII (1814 / 1815-24), gold 40-Francs, 1818-W, Lille (Gad. 1092; Fb 542), light surface hairlines, otherwise lustrous, almost extremely fine, in PCGS details holder, graded AU-Cleaned.
PCGS Certification #36122211
Estimate: £450 - £500