Katana in Shirasaya, with Koshirae.(NBTHK Hozon paper)
Signature : Hizen Ju Harima Daijo Fujiwara Tadakuni.
Shinto: Josaku ranking: Wazamono cutting test ranking: Hizen province.
The blade was polished
Habaki :Gold foiled single habaki.
Blade length : 79.4 cm or 3.12 inches.
Sori : 1.0 cm or 0.39 inches.
Mekugi : 3
Width at the hamachi : 2.92cm or 1.14 inches.
Width at the Kissaki : 1.87 cm or 0.73 inches.
Kasane : 0.79 cm or 0.31 inches.
Era : Edo Kanei era.
Shape : The blade is long and regular size widht, thickness Kanbun yake sword.
Jitetsu :Koitame hada well grained with jinie attach nice hizen jigane.
Hamon : Niedeki gunome midair with sunagashi and kinsuji, inazuma scatter
in Hamon which looks like summer clouds
which is very active wonderful Hamon.
Special feature : Tadahiro is a son of Hizen Yoshiie family and has been called Hashimoto Rokurozaemon.
He has received the post of Harima Daijyo at year 1634 and later on become Harima Daijyo.
He was a chauffeur smith of Nabeshima family so he had no trouble with gaining materials of the sword.
It is said that there were two or three generations Tadakunis in Hizen province. The first
Tadakuni was born in 1598 as the second son of Hirosada (Yoshiie) who was a pupil of Tadayoshi the First.
Tadakuni became Harima Daijo in 1634, served the domain of Ogi in Hizen province and passed away in 1691.
The second Tadakuni was a son of the First who inscribed the signature Harukuni
and succeeded the swordsmith name Tadakuni after the retirement of his father.
The second became Kazusa Daijo in 1655 and turned to Harima (No) Kami in the Tenna era (1681 to 1684).
Both of them are ranked as Waza-mono. Respected the head family the first Tadayoshi
and the second Tadahiro and supported them thoroughly, Tadakunis left few of own work
This sword is long(79,4cm) and wonderful active hamon which remind us summer clouds.
In Hamon, there are many sunagashi, kinsuji and also inazuma.
We strongly recommend this wonderful sword for you.
Tsuba :On the round shape syakudo plain plate, a moon is engraved
by copper plate inlay and tortoise shell shape open work.
Fuchikashira :On the shibuichi plate, engraved Kiku flowers and plant with gold color.
Saya : black kawarinuri saya.
Menuki : Kiku flower is engraved by syakudo plate.
Historical background : At Kanei 14th year（1637） The Shimahara Rebellion or Amakusa Riot has occured
from Kanei 14th year October 25th to Kanei 15th year February 28th.
The Hyakusho peasants were exploited and has taken high land tax
while Christians was persecuted and starvation falls on top.
Those dissatisfaction has been focused on the Shimahara domain and Karatsu domain.
NBTHK Hozon paper
Aoi Art estimation paper : whole Oshigata.