Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with 1918 dated Steel Scabbard Russian Field Gear as on this helmet These

as on this helmet These are retained by the slightly convex officer chin scales

with a spring loaded closure strap

a decision that ultimately increased the company's profitability

The interior paint also shows some oxidation

It comes complete with its original blued steel scabbard

Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with 1918 dated Steel Scabbard Russian Field Gear as on this helmet TheseOriginal 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.