Royal Air Force enamel and silver sweetheart brooch suspended from bar

World War Two era Royal Air Force enamel and silver sweetheart brooch comprising a set of pilot wings suspended from a horizontal bar.
The bar has a silver border around three equal sections of blue enamel - the outer two being light blue and the central section dark blue. A ring is attached below the middle of the bar through which a suspension hook is threaded and joined to the pilot wings below.
The outspread pilot wings flank a central wreath containing the silver letters 'RAF' on a pale blue enamel background, surmounted by a King's Crown with remnant red enamel detailing.
Both sections are stamped 'SILVER' on the reverse. and there is a pin clasp on the back of the bar for attachment.