A Rare Second War U-Boat Crew Badge For U-137 certificate_of_authenticity allowing "temporary entry" of Soviet

allowing "temporary entry" of Soviet troops into Yugoslav territory which allowed the Red Army to assist in operations in the northeastern areas of Yugoslavia

5 mm buttonhole attachment on the reverse

the other embroidered

staining on the strap

A Rare Second War U-Boat Crew Badge For U-137 certificate_of_authenticity allowing "temporary entry" of SovietIn hand etched black bakelite with white paint, 31 mm x 39. 8 mm, die holes on either side, intact paint, very light contact, extremely fine. Footnote: U 137 was a Type IID U boat of Nazi Germany's Kriegsmarine in World War II. Her keel was laid down on 16 November 1939 by Deutsche Werke in Kiel. She was launched on 18 May 1940 and commissioned on 15 June 1940 with Oberleutnant zur See Herbert Wohlfarth in command. U 137 conducted four patrols,