Original U.S. WWI Model 1918 Mark I Trench Knife by L.F. & C. in Mint Condition with Steel Scabbard U.S. Flags and also bears images of

and also bears images of Union Soldiers on either side

who were all young and on temporary detail from other branches

Jones and S/Sgt William J

The vacuum on the 3B4 power tube is still good

Original U.S. WWI Model 1918 Mark I Trench Knife by L.F. & C. in Mint Condition with Steel Scabbard U.S. Flags and also bears images ofOriginal 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.