1) Socket bayonet with metal sheath and nice condition leather/brass U.S. frog. 2) Saber bayonet for a Colt alteration Model 1841 rifle, 25 inch blade marked "1861" on the left ricasso. Brass grip with ribbing and marked "10165" on the back. 3) U.S. M1 bayonet with metal/fiber U.S. sheath. Blade is marked "U.F.H./U.S." with the flaming bomb symbol. 4) U.S. M5A1 bayonet with metal/fiber M8A1 sheath.