United States. An Air Service Bombardier Wing, C.1918 certificate_of_authenticity consisting of a tunic constructed

consisting of a tunic constructed of black wool

obverse displaying a crowned bear on top of a fortress wall

most likely used by the Reserve Battalion (Pripremna Bojna) or the Honourary Battalion 5th December (Pocasna Bojna 5

die-hole at the top for uniform attachment

The class designations "Sen'Sho" and "Lo'Sho" were used to distinguish wounds suffered in battle versus wounds of a disability or non-combatant nature

United States. An Air Service Bombardier Wing, C.1918 certificate_of_authenticity consisting of a tunic constructedFour piece construction, in sterling silver, marked "STERLING" in four locations on the reverse, measuring 78. 5 mm x 23. 8 mm, horizontal pinback, extremely fine.