US Mark 1 Trench Knife ? Baguio City in Baguio City, Cordillera Administrative Region for sale

This is the second stage trench knife in the "knuckle-duster" types resulting from the close-combat requirements of WWI.
It is a very effective and functional close-combat weapon. The hilt is entirely of cast-brass, with the exception of the pommel-cap which is a cap-nut with a sharp conical tip. The "brass-knuckles" or "knuckle-duster" grip is rectangular in shape with four finger-holes; each hole/guard has a raised-point on the outer surface of each finger-hole/guard; very effective. The upper counter-guard is normally slightly swept-forward (this example has the counter-guard bent backward almost 90 degrees).
Markings on the grip side-panel are U.S. 1918 over the manufacturer's name and 1918. The manufacturer's name will be either L.F.&C. (Landers, Frary, and Clark) - the most common - or Au Lion (usually marked on the blade - French manufacture), or H.D.S., or O.C.L.. This example is L.F.C..
Overall length is ~11-1/2";