Thought we covered this yesterday?
It is a S&W perfected model .38.
This was the last of Smith & Wesson's top break revolvers to be introduced. Manufactured from 1909 to 1920, this is a unique top break with both a barrel latch and a side thumb release on the left side of the frame. It is also the only Smith & Wesson top break revolver to have the trigger guard integral to the frame rather than a separate piece. The front blade sight is a half-moon pinned to the rib and the rear sight is a notch in a raised portion of the barrel latch. Two line address/ patent dates on top of the barrel rib flanked by Maltese crosses. Five-round fluted cylinder with auto ejector. Casehardened trigger and hammer.
"I know what you're thinking. "Did he fire six shots or only five?" Well, to tell you the truth, in all this excitement I kind of lost track myself. But being as this is a .44 Magnum, the most powerful handgun in the world, and would blow your head clean off!" - Dirty Harry