Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with French “Au Lion” Steel Scabbard Category_Receiver Top Cover showing a "Sun" armorer's marking

showing a "Sun" armorer's marking on one side

This helmet is heat-lot stamped 1032 A

Some areas of metalwork show pit rusting and past cleaning

This could also be the year Hutchison originally enlisted

Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with French “Au Lion” Steel Scabbard Category_Receiver Top Cover showing a "Sun" armorer's markingOriginal 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.