This is a CZ DA/SA known as the 75B chambered in 9MM, model 01102.
Designed in 1975" the CZ 75 is the flagship model of the CZ handgun line with over one million produced. The CZ 75 is used by more governments" militaries" police and security agencies than any other pistol in the world. It is quite possibly the perfect pistol.
Features:
Cold Hammer Forged Barrel
Ergonomic Grip and Controls
Slide-in-Frame Design for Better Recoil Control
Firing Pin Block Safety