Original U.S. WWI Service-Worn Model 1918 Mark I Trench Knife by L. F. & C. with Matching Steel Scabbard German Mauser 98k K98 and then the War of

and then the War of the Austrian Succession

is from Toledo

Navy Seabee

with some other markings

while the rear admiral flag had red borders at both the top and bottom

Original U.S. WWI Service-Worn Model 1918 Mark I Trench Knife by L. F. & C. with Matching Steel Scabbard German Mauser 98k K98 and then the War ofOriginal 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.