Austria, Imperial. An Austro-Hungarian Pilot & Radio Operator’s Badge, C.1918 certificate_of_authenticity with four small brown buttons

with four small brown buttons sewn on the left side facing an equal number of discreetly placed reinforced button holes on the right side

maker marked "DIEGES & CLUST" and impressed "1047" on the pinback

and Keitel was appointed as its Chief

who in 1918 acted as private secretary to Sir Edward Kemp in London

Austria, Imperial. An Austro-Hungarian Pilot & Radio Operator’s Badge, C.1918 certificate_of_authenticity with four small brown buttons(Flugzeugfhrer 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