Original U.S. WWI Model 1918 Mark I Trench Knife by AU LION with Steel Scabbard French Helmets possibly a later addition

possibly a later addition

and may be different than the one pictured

Genuine rare WW2 Star Watch Case Co Aircraft Navigational Drafting Machine AN-5750-1

This example bears serial number N 7347 on the barrel and stock

Original U.S. WWI Model 1918 Mark I Trench Knife by AU LION with Steel Scabbard French Helmets possibly a later additionOriginal 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.