![A US WWI period trench fighting knife with blackened blade, blade length 17.3cm, to brass hilt with rectangular section grip stamped 'U.S. 1918 L.F.&C - 1918' and with 'knuckle duster' guard, housed A US WWI period trench fighting knife with blackened blade, blade length 17.3cm, to brass hilt with rectangular section grip stamped 'U.S. 1918 L.F.&C - 1918' and with 'knuckle duster' guard, housed](https://live.adampartridge.co.uk/images/lot/2696/26961_0.jpg?1553679723)
A US WWI period trench fighting knife with blackened blade, blade length 17.3cm, to brass hilt with rectangular section grip stamped 'U.S. 1918 L.F.&C - 1918' and with 'knuckle duster' guard, housed
![Original U.S. WWI Model 1918 Mark I Trench Knife by AU LION with Steel – International Military Antiques Original U.S. WWI Model 1918 Mark I Trench Knife by AU LION with Steel – International Military Antiques](https://www.ima-usa.com/cdn/shop/files/ONSV23CSR126__01.jpg?v=1692412734)
Original U.S. WWI Model 1918 Mark I Trench Knife by AU LION with Steel – International Military Antiques
![M1918 Mark 1 Trench Knife. Knife has the original metal sheathing. Belonged to my grandpa. I am having a really hard time finding information about this knife and it's value, could anyone M1918 Mark 1 Trench Knife. Knife has the original metal sheathing. Belonged to my grandpa. I am having a really hard time finding information about this knife and it's value, could anyone](https://i.redd.it/6oo9lcgc0tu61.jpg)
M1918 Mark 1 Trench Knife. Knife has the original metal sheathing. Belonged to my grandpa. I am having a really hard time finding information about this knife and it's value, could anyone
![Mark 1 Trench Knife - WW1 by Will PetroskyStarted working on this late last year and was never able to finish. Finally foun… | Trench knife, Knife, Automatic knives Mark 1 Trench Knife - WW1 by Will PetroskyStarted working on this late last year and was never able to finish. Finally foun… | Trench knife, Knife, Automatic knives](https://i.pinimg.com/736x/1f/b8/00/1fb800255c5b786bfd0c048d8cc25269.jpg)
Mark 1 Trench Knife - WW1 by Will PetroskyStarted working on this late last year and was never able to finish. Finally foun… | Trench knife, Knife, Automatic knives
![First NKD in a long time: US 1918 Mk 1 Trench Knife, reproduction by Windlass Steelcrafts : r/knives First NKD in a long time: US 1918 Mk 1 Trench Knife, reproduction by Windlass Steelcrafts : r/knives](https://i.redd.it/pplbr257naj61.jpg)