19th century or earlier, comprising a rare tapered double-edged blade, slightly curved toward the tip, and a sambon sugi temper line; fitted with a gilt metal habaki, 6 1/4 in. L to edge of handle, 5/8 in. D at the hilt; the tang not accessible. The handle covered with red and black lacquer, with gilt metal menuki, 3 1/8 in. L. Sheath with red and black lacquer matching the handle, 6 3/4 in. L

Eyelet missing from the sheath