Robertsons pre war Golly raspberry fruit advertising badge

A scarce original circa 1931 pre-war fruit design 'Robertson's marmalades and jam, raspberry fruit Golly promotional pin badge', the reverse impressed with maker's details 'H.W.Miller Ltd. Branston St. B'ham.18'. Very good condition, complete with original coiled pin fittings and hooked catch, no stress marks or damage to the enamel, minor manufacturers flaw to right eye.Height approx 23mm.