â€‹This great Indian piece is 19th century Lakota Sioux . The sheath â€‹is brain tanned Montana Mule Deer with Elk rawhide liner. Wool red trade cloth neck with sinew sown tin cones, Venetian glass beads(circa 1850-1870) with rare earlier color sown on edge. The knife itself is marked â€‹W. Webster-Sheffield and is still razor sharp. The handles slabs are bone.