Germany, the Third Reich. Luftwaffe award badge "For Ground Combat" (Erdkampfabzeichen der Luftwaffe).
On the reverse of the sign there is a stamp of a rare manufacturer "G.B" - Gustav Brehmer, Markneukirchen. The composite sign is an eagle with a swastika on two rivets.
The sign is made in solid zinc.
The overhead eagle is made in riot metal, the coating is frosty silvering. Size 39*55mm. Weight 34.9 grams.