Robertsons 1980 Golly motorcyclist advertising badge dark blue screen

A good original 1980's period 'Robertson's marmalades and Jam Golly motorcyclist promotional pin badge', this example with darker blue motorcycle windscreen the reverse impressed with maker's details '©James Robertson & Sons Ltd'. Very good condition, complete with original pin fittings, safety roller catch in good working order, no damage to the painted enamel finish. Height 32mm.