My scientific wild ash guess is Italian because of the cross. Guessing WW-2 period?50A5CFE6-7932-4706-9813-A017182AAA9B.jpg
My scientific wild ash guess is Italian because of the cross. Guessing WW-2 period?50A5CFE6-7932-4706-9813-A017182AAA9B.jpg
I did a little checking. You have what appears to be a German WWI submarine service badge. The WWII ones are very similar but have NAZI symbolism added. FWIW my first guess was Italian too.
It is an Imperial German submarine badge, but ebay is full of reproductions.