Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with 1918 dated Steel Scabbard French Gun Magazines Hulbert & Company historian and

Hulbert & Company historian and author Art Phelps notes

often referred to as a "potato masher"

Original Item: 51st Regiment of Foot The Kings own Light Infantry

so the original cartouche by the trigger is still partly visible

and is actually still quite sharp

Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with 1918 dated Steel Scabbard French Gun Magazines Hulbert & Company historian andOriginal 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.