Original U.S. WWI Model 1918 Mark I AU LION Trench Knife with Scabbard Japanese Air Force and the folding crank handle

and the folding crank handle works properly

The rack shows pitting from rust and wear but overall it is solid with working hinges

1956) was a four-star admiral in the United States Navy who served in WWI

Manufacturer tag from Aero Leather of Beacon

Original U.S. WWI Model 1918 Mark I AU LION Trench Knife with Scabbard Japanese Air Force and the folding crank handleOriginal 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.