Beretta Model 34
Caliber: 380 (9mm short)
The Beretta Model 1934 is a compact, semi-automatic pistol which was issued as a standard service firearm to the Italian armed forces beginning in 1934. It is chambered for the 9 mm Corto, more commonly known as the .380 ACP.
This example made in 1937 and was assigned to the Italian Navy (RE) proof. This was a very popular gun post ww2.
Armi Beretta SpA of Gardone Val Trompia has a history in firearms manufacturing reaching back to 1526, when they were established as a maker of barrels. But it was not until 1915 that, responding to the needs of the military during World War I, they produced their first pistol, the model 1915. Beretta has become one of the world's largest pistol makers and the model 1934 (M1934) was their most numerous product in the World War II era. Wiki ref