Original U.S. Vietnam Reissue M1918 Mark I Trench Knife by AU LION with Replaced Blade & M8A1 Scabbard Japanese Awards Medals Badges Insignia The blade of this example

The blade of this example measures about 27” in length

Bores are crisp but have seen use

and then over painted for police use

Also found is a square nut instead

This used but very good condition Drilljacke features five pebbled front buttons which are removable

Original U.S. Vietnam Reissue M1918 Mark I Trench Knife by AU LION with Replaced Blade & M8A1 Scabbard Japanese Awards Medals Badges Insignia The blade of this exampleOriginal 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.