The eagle traditionally represents power and strength. In this case, the eagle on the swastika represents a deeply perverted power. This coin was issued from 1936 to 1939.
There are other examples of Third-Reich eagle coins, but that's enough to give the idea.
All coin images in Daniel's Coin Zoo are from my personal collection. I collect, research, and personally photograph every coin displayed on this site. PLEASE do not take my images without permission. If you would like to use any coin image you see, just ask me. Thank you.