Katana in Shirasaya(NBTHK Hozon Paper)
Signature : Soshu Ju Tsunahiro
Sue Koto : Jyosaku : Sagami
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saku)
This Soshu Ju Tsunahiro belongs to Jyojyo saku ranking.
The blade was polished.
Blade length : 68.4 cm or 26.92 inches.
Sori : 1.4 cm or 0.55 inches.
Mekugi : 3
Width at the hamachi : 2.92 cm or 1.14 inches.
Width at the Kissaki : 1.94 cm or 0.76 inches.
Kasane : 0.71 cm or 0.27 inches.
Era : Late Muromachi Period
Shape : Rather slim and thick Katana.
It is nice shape with long Kissaki.
Jitetsu : Itame Hada well grained with Jinie attached.
The Hadame pattern could be well observed.
Hamon : Nie Deki Gunome Midare with Ko Gunome Midare mixed.
There is soft Koashi with Sunagashi and Kinsuji active work.
Special feature : Tsunahiro has moved to Sagami Province at late Muromachi period
and became active sword smith.
This sword smith group has lasted until Shin Shinto period.
Especially, Soshu Jyu Tsunahiro was famous for the Hitatsura hamon. His broad
and soft feeling pieces were popular among the sword fans.
He has made around 300 swords of various size. During Keicho 11th year,
he has finished all work and has moved back to Odawara.
He passed away at the age of 91 in Kanei 15th year February 27th.
This blade is typical Soshu-Den, nice Jigane and Hamon.
NBTHK Hozon Paper
Aoi Art estimation paper : whole Oshigata.