Exceedingly Rare WWII US Army Civilian ATC Flight Instructor Collar Insignia

This is an exceedingly rare World War II United States Army Civilian Air Transport Command flight instructor collar insignia. Each of the two insignia show a pair of spread wings with a star at center reading ATC.

Circa World War II.

Each pin has a 7/8" height and 5/8" width.

Gold-plated sterling.

Each pin has a horizontal pin with drop-in swivel catch.

STERLING on reverse.

This is from a United States Army Air Force collection which we will be listing more of over the next few months. VBJJX10 LFGEX SEJJX2/12

8 (Excellent-): Insignia show very little wear.

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