EIIR Royal Air Force pilot's wing enamel RAF sweetheart brooch

A scarce original post 1953 early Queen Elizabeth II period 'Royal Air Force sweetheart brooch', chromium plated Crowned circular disc bearing 'RAF' monogram on dark blue enamel ground, flanked by finely feathered wings with upswept tips. Excellent condition, complete with original pin fittings, enamel perfect.Wingspan approx 45mm.