Ordering number: 22313
Tanto in Koshirae(NBTHK Hozon Token)
Signature: Bishu Osafune Kiyomitsu
Tensho 11 Nen 8 Gatsu Hi
(translation; Bishu Osafune Kiyomitsu made this sword on a day in August, Tensho 11.)
Sue Koto: Chu Jyo saku: Bizen
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.
Habaki: Gold painted silver and copper Habaki
The blade is polished.
Blade length:23.5cm or 9.25inches.
Sori:0.0 cm or 0.0inches.
Width at the hamachi:2.43cm or 0.95inches
Kasane:0.74 cm or 0.29inches.
The weight of the sword:195grams
Era: In August, Tensho 11, the Muromachi period
Shape: The blade is broad and thick, shaped like bamboo shoot
Jigane: Koitamehada, mixed with Ko-Mokumehada. It is with lots of Jinie. Utsuri appears clearly on beautiful Jigane.
Hamon: Suguhadeki, Togariba mixes in. The tip is sharp and turns back round.
Fuchikashira: Draw a pine tree on the syakudo plate
Scabbard: Dark brown scabbard
Menuki: Sculpture of a snail pattern
Kozuka: High carving of a dragon in silver on iron ground
Special feature: Bishu Osafune Kiyomitsu and Sukesada made great efforts to meet the big demands for Nihonto in the late Muromachi period. In those days, there were many wars in Japan and the demand for Tanto was very high.
Historical Background: The Sengoku Period(The Warring States period)
NBTHK Hozon Token paper
Aoi Art estimation paper: whole Oshigata by Ayaka Tsuruta