After reading other threads as suggested, It appears I have a police issue Luger? Matching pistol but not the magazine, holster is dated 1918 and has loading tool. Also has lever holding down side plate. Spare magazine is a black fxo marked. Came home from WWII with my Great uncle who served as a set in the Army 366th field hospital in Europe. He passed in 1964 and I'm told it was from heavy drinking following WWII.