This is a single US Army Aircrew badge.
As you can see, this one is bronze colored.
It is maker marked NS Meyer 22/M
This wing measures 2 1/2" wide.
These wings have a curve to them.  It may have been worn on a fatigue cap.
It is a clutch back.  (Clutches will be provided)
 
Domestic shipping is via 1st class package with tracking.