Yugoslavia, Kingdom. An Army Air Service Observer's & Navigator's Badge, By Karnet-Kisely Buy Now 2) A Second Pattern RLB

2) A Second Pattern RLB membership badge

and historically

Second medal has a two-piece construction

John in the British Empire: Being the Official History of the British Order of the Hospital of St

where the Royal Air Force was almost totally failing to support ground troops

Yugoslavia, Kingdom. An Army Air Service Observer's & Navigator's Badge, By Karnet-Kisely Buy Now 2) A Second Pattern RLBSilver, 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.