Original U.S. WWI Model 1917 Bolo Knife by Plumb Philadelphia Dated 1918 with 1917-Dated Canvas Scabbard British Field Gear which is probably a contemporary

which is probably a contemporary replacement

but this is the larger 2nd model French WWI Barbed Wire Destruction Grenade

according to Brown

It also remained in service as a sniper rifle during World War II

and utilized black uniforms and the Skull and Cross bones

Original U.S. WWI Model 1917 Bolo Knife by Plumb Philadelphia Dated 1918 with 1917-Dated Canvas Scabbard British Field Gear which is probably a contemporaryOriginal Item: Only One Available. This is a very nice Model 1917 Bolo knife, manufactured by Fayette R. Plumb Inc, in Philadelphia. This model was a moderate simplification of the earlier 1910 Bolo made by Springfield Armory. The main difference is the lack of the catch mechanism on the scabbard and grip. It was manufactured by contractors such as Plumb and A. C. Co. The blade ricasso of this example is marked: PLUMB PHILA 1918 The reverse is marked: