Robertsons 1980 Golly policeman advertising badge

A good original circa 1980 'Robertson's Golly policeman marmalades and Jam promotional pin badge', 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 30mm.