Inter-War (Nazi Germany) Kriegsmarine (Navy) Sports Shirt Patch

This is an authentic WW2 Nazi Germany Kriegsmarine M35 Sports Shirt Eagle Insignia. It was designed to be sewn onto the front center of a standard military physical training (PT)/sports shirt.

Description:
Produced using the "BeVo" machine-weaving technique in long, continuous rolls, which were later cut into the semi-circular shape seen here before being affixed to the uniform. It features the national emblem (Hoheitszeichen) consisting of a stylized eagle with outspread wings holding a wreathed, canted swastika. The emblems were service specific as indicated below:
Heer (Army) - Black thread on a white/cream canvas backing.
Kriegsmarine (Navy) - Blue thread on white/cream canvas backing.

Measurements (approximate):
Length - 9 1/2"
Height - 5"