Bush Radios salesmans promotional badge by L.Simpson (London) Ltd

A very scarce original circa 1950's 'Bush Radios salesman's promotional lapel badge'; gilt example in the form of a Christmas tree in a red and black pot, inlaid with dark green enamelling and carrying the trademark logo 'BUSH', the reverse impressed with maker's details 'L.Simpson (London) Ltd'. Very good condition, complete with original pin fittings, stress marks across to enamel across trunck of tree, nick to lower right of pot, minor surface scratches, gilt finish remains bright. Height 34mm.