Greater London Council Ambulance Service tiepin badge circa 1966

A scarce original circa post 1966 period 'Greater London Council Ambulance Service tiepin badge'; gilt brass red, white and blue enamel shield depicting a Saxon Crown above the blue and white enamel waves, mounted on a wide bar. Very good condition, complete with original pin fittings, no damage to the enamel. Height 16mm. Width 44mm.