A mounted koto tanto
By Yoshimitsu, Muromachi Period, probably late 15th century
The blade of slender hira-zukuri form, sugu-ha of nioi, tight masame-hada with horimono of Fudo Myo-o and bonji ni goma-bashi, the nakago with one mekugi-ana, signed Yoshimitsu; koshirae: the saya of roiro lacquer, with a pine tree in takamakie and an applied crane in silver, gilt and shakudo takazogan; iron Higo tsuba with trailing kiri in gold hirazogan; Sendai fuchi-kashira with kiku in similar style; iron kozuka with gold and silver Fuji and pine trees (without blade); silver kojiri in the form of a turtle. The blade 25.7cm (10 1/8in) long.
FOOTNOTES
短刀　銘吉光　附　蝋色地金銀蒔絵鞘打刀拵　室町時代（15世紀後期頃）