This is a HJ – Hitlerjugend Flakhelfer breast insignia eagle.
Embroidered German Hitler Jugend (Hitler Youth) Flak Helper cloth breast badge. The badge is machine embroidered in light blue cotton thread on black fabric, and features an outline triangle, point downwards, in which is embroidered the gothic letters ‘L’ and ‘H’ (for ‘Luftwaffe Helfern’) above a Luftwaffe eagle holding a swastika.
(photoshop made the colors a bit more bright).
In good condition.