Cleveland Discol Petrol Company advertising badge c.1930's

A scarce original circa 1930 period 'Cleveland Discol garage forecourt promotional lapel badge'; gilt brass lozenge shape example inlaid with red and blue enamel, the reverse impressed with early maker's details 'RODEN LONDON'. Very good condition, complete with original buttonhole lapel fittings, no damage to the enamel, an excellent example.Size approx 42 x 20mm.