Heman Otis 1848 - 1929 CO. A 16th N.Y. CAV 16th Regiment Cavalry "Sprague Light Cavalry" The Cavalry Saber Christopher Roby 1860 Enlisted Cavalry Saber and Scabbard. The bade is 34 13/16" , the Ricasso is marked U.S. 1865 A.G.M.. On the other side it is marked C. Roby W. Chelmsford Mass. The Bayonet This looks like a US Model 1855 socket bayonet. They were made from 1855 to about 1872. "These are attached by fitting them over the barrel muzzle, and fastened into position by means of a mortise slot and locking ring. All metal construction. These were designed to fit the various US manufactured .58 muskets, and the 50-70 Springfield "Trapdoor" Rifles prior to 1873. Blade length is about 18" and muzzle ring diameter is ~0.781" (internal); socket length is ~3". Scabbards were leather sheet-metal drag, tear-drop finial; leather belt loop, riveted." ~ To be continued with more ~ info and pictures. 06/26/04