Robertsons 1970s Golly skateboarder advertising badge

A good original circa 1970's period 'Robertson's marmalades and Jam Golly skateboarder 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 34mm