1) US A.C.Co. M1917 triangular bladed trench knife, 9" inch blade, 14" overall length-good condition. 2) Unmarked British Fairbairn Sykes style fighting knife, 7" inch blade, 11 3/4" overall length-very good condition. 3) Unmarked knife, 4.5" inch blade, 8.25" overall length-very good condition.