Ceremonial Spearhead (<i>Tsukushi Boko</i>)

Long, narrow, greenish metal object with a pointed tip and a flared end. The object has a central ridge running along its length. The surface is weathered and worn, with patches of brown and green patina. A small protrusion is visible near the flared end. The object is flat and appears to be made of bronze or copper. Its shape resembles a spearhead.