A Kōtō Katana in Fine Mounts. Muromachi (1333-1573) or Momoyama (1573-1615) period, 16th century. Honzukuri, iorimune, chū-gissaki, toriizori in an indistinct forging pattern. The ō-suriage tang with two holes. Mounted in 19th-century koshira-e with a fine gold-lacquer saya decorated with landscape scenes.