Original U.S. WWI M1917 Knuckle Duster Trench Knife by American Cutlery Co. - Rare Maker Russian Machine Guns It has the number 7326

It has the number 7326 marked on the under side of the barrel

During the Cold War (1945–1991)

the cavalry force was reorganized as three regiments and as two cavalry brigades in 1944 during the German retreat and final battles of the war

however only the bottom two lines can be read

we removed the handle

Original U.S. WWI M1917 Knuckle Duster Trench Knife by American Cutlery Co. - Rare Maker Russian Machine Guns It has the number 7326Original Item: Only One Available. This is a very good condition Model 1917 trench knife with hardwood handle, triangular stiletto blade, just missing the scabbard. Inside the knuckle guard is is nicely marked: A. C. CO USA 1917 This indicates 1917 manufacture by American Cutlery Corporation, of Chicago Illinois. This company, established in 1865, manufactured a multitude of edged weapons, as well as other products. This is a far more difficult maker