"A. I. D - On H.M Service" Lapel Badge.

Aeronautical Inspectorate Department. (A.I.D) brass and enamel lapel badge with button hole fixing and individual numbered 841 to reverse.
Formed in WW I the purpose of the " AID " was to inspect and report on the construction of aircraft for military service. The badge is in good used uncleaned condition.

Code: 50915