Robertsons 1980 Golly Guitarist advertising badge larger yellow area

A scarce original circa 1980's 'Robertson's marmalades and Jam Golly Guitarist promotional badge', this example with larger yellow area to chest, the reverse impressed with maker's details '©James Robertson & Sons P.M.Ltd.'. Very good condition, complete with original pin fittings, safety roller catch in good working order, no damage to the painted enamel finish. Height approx 29mm.