https://www.ebay.com/itm/ARMY-AIR-FORCES-ARMY-AIR-CORPS-AAF-DECAL-for-A-2-B-3-D-1-flight-jacket/323620026886
Color looks a bit off because of the flash on my camera ,the picture on the eBay listing is...
US Country Store USAAF WINGED ROUNDEL DECAL ON A2