Watch List notes:

London - Coventry Street, Joshua Henderson (water purifier seller), Halfpenny 1795, Filtering stone set up, rev. Three-line legend, edge plain, 28mm/9.57gm. (DH 292). Another similar but minor spacing difference, 28mm/8.61gm. (DH 293). Both good Extremely Fine, first with full blazing mint lustre, second just a trace of lustre. [2]