Joe,
According to Ian V. Hogg the Fritz Langenhan Selbstladenpistole (self-loading pistol) sometimes called the Army Model, was developed in 1914 and patented in 1915. It was accepted for military applications by the Prussian army, and military pistols have a c/letter acceptance mark on the left frame. Yours has standard commercial proofs, but no acceptance mark--I was hoping for another pistol to add to the database.
These guns are chambered for 7.65 Auto. If you are planning to shoot it, you should be sure that the takedown screw at the back of the slide is firmly tightened--if it becomes loose, the hinged finger-piece can flip up on its screw axle and allow the breechblock to recoil into your face.
--Dwight
|