Early 1920's US Air Service (USAS) Instructor Cap Insignia by Robbins

This is an early 1920's United States Air Service instructor cap insignia by Robbins. The insignia is a winged propeller.

Circa early 1920's.

5/8" height and 1" width.

Gold-plated brass.

Horizontal pin with "C" catch.

This is from a United States Air Forces collection which we will be listing more of over the next few months. ebay VEX04 LABEX 6/10

8 (Excellent-): Insignia has a few spots of light wear and slight tarnish.

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