Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with Steel Scabbard - Fine Condition DP-28 LMG A “type” is a knife

A “type” is a knife purchased for a specific general task but not following a specific pattern

no scabbards survived

A fine Prussian "Potsdam" Pattern 1809 smoothbore musket

Complete with original issued bipod

as is the sweatband

Original U.S. WWI Model 1918 Mark I Trench Knife by L. F. & C. with Steel Scabbard - Fine Condition DP-28 LMG A “type” is a knifeOriginal 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.