Ordering number: 20215
Tanto in Shirasaya, with Koshirae (NBTHK Hozon Paper)
Signature : Mumei (Chikushi Ryokai)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saki)
This sword belongs to Jyo saku ranking.
The blade was polished
Habaki: Gold foiled single Habaki.
Blade length: 23.3 cm or 9.17 inches.
Sori: No Sori
Width at the hamachi: 2.15 cm or 0.84 inches.
Kasane : 0.45 cm or 0.17 inches.
Era: Nanbokucho period to early Muromachi period work.
Shape: Regular width and thickness work. It is Mitsumune shape.
On the front, it is Bonji and at the back, there is thin double Bo-Hi engraved.
Jitetsu: Koitame Hada well grained with Jinie attached. It is clear and Jigane with Utsuri appearing.
Hamon: Konie Deki Suguha with Komidare mixed. Fine Koashi and Yo work appearing.
Boshi is round Komidare style.
Special feature: Hisanobu who has descended the skill of Ryokai has moved to Chikushi and produced swords.
Alike Hisanobu work, it has soft feeling Jigane well grained with fine forging done.
HIsanobu and Yoshizane were some of the swordsmiths in the group that has descended the Suguha Deki and well grained Ryokai and Yamashiro.
This work has wonderful Jigane and at first glance, it could be attributed as Ryokai.
Because there are some Komidare in the Hamon and Boshi it is attributed as TSukushi Ryokai.
It is nice work and healthy tanto.
Fuchi: Iron plate with file marks. Higo Fuchi.
Menuki: Round shape Shakudo Nanako work. It is Kiri Mon with gold inlay.
NBTHK Hozon Paper
Aoi Art estimation paper: whole Oshigata.