WW2 Bradford Lord Mayor's Spitfire fundraising badge

A scarce original Second World War period 'Bradford Lord Mayor's Spitfire Fund lapel badge'; gilt brass oval, blue enamel title surround, the centre depicting an embossed Royal Air Force Spitfire Plane, the reverse impressed with maker's details 'FATTORINI BRADFORD'. Very good condition, complete with original buttonhole fitting, enamel intact with minor service wear.Size approx 26 x 19mm.