1) Dagger made from a German bayonet with 5 7/8" blade, 11" OAL, and steel sheath. Fair as altered. 2) SMF Luftwaffe gravity knife with 4 1/4" blade, 10 1/8" OAL, wood grip, and 3 3/8" folding marlin spike. Fine, though the blade does not properly lock. 3) SMF Luftwaffe gravity knife with 4 1/4" blade, 10 1/8" OAL, wood grip, and 3 3/8" folding marlin spike. Fine with a visibly ground spike. 3) Weyersberg & Co. Luftwaffe gravity knife with 4 1/4" blade, 10 1/8" OAL, wood grip, and 3 1/2" folding marlin spike. Fine. 4) Three modern gravity knives with 3 1/2" blades, 8 7/8" OAL, 3 1/2" folding marlin spikes, and green checkered plastic grips. Very good with visible white oxidation on the fittings, and some rust on the lanyard loops.