1) U.S. A.C.Co. 1917 knife, 14" OAL, 8 7/8" blade, triangular guard studs, wood grip. Good. 2) U.S. L.F.&C. 1917 knife, 13 3/4" OAL, 8 3/4" blade, pyramidal guard studs, wood grip, leather sheath. Good. 3) Au Lion "U.S. 1918" knife, 11 1/4" OAL, 6 1/2" blade, brass hilt. Good as cleaned/sharpened. 4) Au Lion "U.S. 1918" knife, as 3 with a metal sheath. Fair.