French Air Force Roundel Cross of Lorraine Lapel Badge

A scarce original vintage period 'French Air Force Roundel Cross of Lorraine lapel badge'; small gilt example in the form of a red, white and blue roundel, with superimposed lined Cross of Lorraine in red translucent enamel matching the outer ring. Very good condition, complete with original oval lapel fitting, enamel without any defects. Diameter approx 14mm.