Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with Matching Steel Scabbard US Civil War The badge was introduced on

The badge was introduced on 20 December 1939

The fabric of the large red field feels like a cotton wool blend

TYPE: MK IV MOD 3 TYPE 1A

The next significant change occurred on September 23

Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with Matching Steel Scabbard US Civil War The badge was introduced onOriginal 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.