(Flugzeugführer- und Bordfunkerabzeichen). Constructed of gilded zink with multi-coloured enamels, the obverse consisting of a white enameled laurel wreath, joined together at the bottom by Austrian and Hungarian coats of arms, topped by a monogram of Karl I, overlaid by a central eagle clutching dual lightning bolts, the reverse with a missing vertical pinback, unmarked, measuring 55.57 mm (w) x 57.86 mm (h), loss of finish evident in addition to the absent pinback, in very fine condition.