United States. An Air Service Bombardier Wing, C.1918 certificate_of_authenticity the cap is flanked on

the cap is flanked on each side by bronzed pebbled buttons holding in place a decorative chinstrap constructed of braided and twisted silver aluminum bullion wire

effective September 29

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

secured in place at the front by machine stitching

reverse depicts central five-pointed star with a pebbled finish superimposed on a crossed rifle and sabre

United States. An Air Service Bombardier Wing, C.1918 certificate_of_authenticity the cap is flanked onFour 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.