Hepolite For Speed motor car and cycle pistons promotional badge

A scarce original circa 1930's period 'Hepolite For Speed advertising badge'; large substantial gilt wing, the centre depicting a stylized piston on white enamel ground within title surround; the reverse with early maker's details 'Fattorini & Sons Ltd Bradford House Birmingham' an address format used between 1928 and1932'. Very good condition, complete with original buttonhole lapel fitting, no damage to the enamel, gilt finish remains bright. Width 52mm.