Robertsons 1970s Golly motorcyclist advertising badge

A good original circa 1970's vintage period 'Robertson's marmalades and Jam Golly motorcyclist promotional pin badge', the reverse impressed with maker's details 'R.E.V.Gomm Frederick St B'ham.1'. Very good condition, complete with original pin fittings, no stress marks or damage to the enamel, gilt finish remains bright.Height approx 38mm.