A nice and original WWII German heer (army) visor eagle here.  Three prongs remaining to the reverse. Second pattern, (Circa March 1935-May 1945), silver washed, die stamped zinc construction. Condition is as depicted in photos. 
 
The German Army (German: Heer) was the land forces component of the Wehrmacht, the regular German Armed Forces, from 1935 until it ceased to exist in 1945 and then was formally dissolved in August 1946.