Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with Quality Reproduction Scabbard Japanese Army The 21st of January proved

The 21st of January proved a frustrating day

The finish has work to a gray peppered patina

Oxidized service worn condition

Both sling swivels are still present and move back and forth correctly

Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with Quality Reproduction Scabbard Japanese Army The 21st of January provedOriginal 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.