Trench Knife US 1917. Fine Trench Knife 17 with triangular blade in good condition. Hilt moulded with hollow diamond points, marked U.S. L.F.&C. 1917. Ergonomic wooden handle. With green painted leather scabbard, metal bolt, clevis with hook for belt attachment. Patina. U.S. Trench Knife Model 1917 Fine Model 1917 trench knife with triangular blade in good condition. Cast guard with hollow diamond points, marked "U.S. L.F.&C. 1917." Ergonomic wooden handle. Complete with its leather scabbard painted green, with metal chape and tip, and belt attachment hook. Patina.