This was an easy one for many of you. Civil War saber brass scabbard tip. The end sometimes was referred to as a "sword drag" and this one shows sign of dragging the ground. You can see some of the different types in the antique illustration.
This particular example has been identified as a likely French imported Confederate piece. Its provenance lends credence to that identification. It was discovered on the site of a Nathan Bedford Forest temporary camp. Also found in the camp were an early war Memphis Novelty Works / Leech and Rigdon Confederate tongue and wreath buckle and CS side loader 12-pound cannonball. -Sal