WWI US Air Service Officer 3/4 (Cap or Shirt Size) Insignia in Sterling & Fire Bronze

This is a World War I United States Air Service officer collar insignia in a cap or shirt size. The insignia is a winged propeller and is in fire bronze and sterling silver. The wing tips are slightly curled back.

Circa World War I.

Approximately ¾" in height and 1-1/8" in width.

Fire bronze and sterling silver.

Horizontal pin with Tiffany catch.

STERLING; (?) FIRE BRONZE.

This is from a United States Army Air Forces collection which we will be listing more of over the next few months. VFEX98 LAGEX7/12

8- (Very Fine-Excellent): The insignia is in nice condition with some light wear and tarnish.

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