Watch List notes:

THE COLLECTION OF A CLASSICIST, BRITISH COINS, ANGLO-GALLIC, Edward I, during lifetime of Henry III (1252-1272), Silver Denier au lion, Aquitaine, lion left, legend surrounding with double pellet stops both sides, rev cross pattée, 0.87g (Elias 13b; AGC 11.6j; S 8013). A little ghosting evident, about very fine, toned.
Anglo-Gallic Coins by P and B Withers with Steve Ford

Estimate: £80-100