Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with French “Au Lion” Steel Scabbard Madsen LMG The silvering to the frame

The silvering to the frame is in great shape

It does have some faded markings and proofs on the left side of the breech

Note: the brass on the scabbard may have minor indentations due to soft metal and long storage (see photos)

Navy is a prime user of jacks for its warships and auxiliaries

Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with French “Au Lion” Steel Scabbard Madsen LMG The silvering to the frameOriginal 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.