Yugoslavia, Kingdom. An Army Air Service Observer's & Navigator's Badge, By Karnet-Kisely certificate_of_authenticity " (Gesetzlich Geschützt) and maker

" (Gesetzlich Geschützt) and maker marked with the Christian Theodor Dicke Co

holding the rank of Oberfeldwebel (Master Sergeant)

engraver marked "F VERNON" on the obverse

three with crossed bronze swords clasps

It was composed of 1

Yugoslavia, Kingdom. An Army Air Service Observer's & Navigator's Badge, By Karnet-Kisely certificate_of_authenticity " (Gesetzlich Geschützt) and makerSilver, marked "900" (silver), maker marked "KK" (by Czechoslovak manufacturer Karnet Kisely) and with very low number stamped "15" on the reverse, 50. 3 mm x 66. 3 mm, dual screw backs (one retaining nut missing), light contact and surface wear, very fine. A scarce badge.