WWI US Air Service Officer Collar Insignia Flat Back Swivel Blades

This is a World War I United States Air Service winged propeller officer collar insignia. The insignia has a flat reverse and blades that swivel slightly.

Circa World War I.

Approximately 1" in height and 1-9/16" in width.

Copper- and nickel-plated brass.

Horizontal pin with tongue-style catch.

None.

This is from a United States Army Air Forces collection which we will be listing more of over the next few months. TRAEL99 LADEX7/12

8 (Excellent-): The insignia shows some light wear only.

As with all my artifacts, this piece is guaranteed to be original, as described.