Original U.S. WWI Cut-Down Model 1918 Mark I Trench Knife by L. F. & C. with Matching Cut-Down Steel Scabbard Flintlock Pistols The interior of the helmet

The interior of the helmet still has the original M31 leather liner present in really good

and captained by Robert Moorsom

They also do not have the HJ motto etched on the blade

The greatcoat

motto slightly loose

Original U.S. WWI Cut-Down Model 1918 Mark I Trench Knife by L. F. & C. with Matching Cut-Down Steel Scabbard Flintlock Pistols The interior of the helmetOriginal Item: Only One Available. The U. S. Model 1918 Mark I Trench Knife was the second major "Knuckle Knife" to be officially adopted and issued to the US military. It was developed for use in the horrific trench warfare that typified the stalemate on the Western Front during the latter part of World War One and saw use not only there, but during World War Two as well. The knife was manufactured in the United States by Henry Disston & Sons (H. D.