French M1866 sword bayonet

length: 27 1/2"
blade: 22 1/2"
blade width: 1"
grip: 4 3/8"
guard: 4"
weight: 1 lb 6 oz

T-Backed French yataghan style sword bayonet, Model 1866, for the Chassepot rifle. Markings on the spine mostly obscured, but it looks like one of the Lt. Etienne markings. Blade and false edge have been sharpened.