Original U.S. WWI M1917 Trench Knife by L.F. & C dated 1917 with Original and Reproduction Scabbard British Flags These helmets were manufactured by

These helmets were manufactured by US Government between 1950 and 1980 and some may very well have even seen action during the Vietnam war

Air Force's Historical Research Agency

which was used on some aircraft as well as in a ground role

What you might not get:

NEW YORK We assume this is the manufacture’s name

Original U.S. WWI M1917 Trench Knife by L.F. & C dated 1917 with Original and Reproduction Scabbard British Flags These helmets were manufactured byOriginal Item: Only One Available. This very good condition Model 1917 trench knife has a wood handle, triangular stiletto blade, and comes with both the damaged original scabbard, and one of our high quality reproduction scabbards. The top of the guard is is nicely marked: U. S. L. F. & C. 1917 Landers, Frary, and Clark (L. F. & C.) began in 1853 as Landers & Smith Manufacturing Company, and in 1862 became known as Landers, Frary & Clark. They were