 It involved a slight change to the left grip, and can easily be seen without dismantling the gun.Apart from the 1926 alterations, production continued steadily from the beginning of the 1920s until the middle of the 1930s, when Beretta made further changes.Towards 1935 the appearance of the pistol was deemed outdated, and the handgrip was altered to be similar to the Beretta Model 1934.