Wakizashi: Satsuyo Omi Oku hira Motohira Tsukuru kore
Wakizashi in Shirasaya（NBTHK Tokubetsu Hozon paper）
Signature : Satsuyo Omi Oku hira Motohira Tsukuru kore
Tenmei 6 nen Hinoeuma 8 gatsu hi (August)
Shinshinto: Jyojyosaku: Satsuma
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saki)This sword Satsuyo Tami Oku Motohira belongs to Jyojyosaku ranking.
The blade was polished.
Habaki : Gold foiled single habaki.
Blade length : 58.1cm or 22.87inches.
Sori : 1.0cm or 0.39inches.
Mekugi : 1
Width at the hamachi : 3.11cm or 1.22inches.
Width at the kissaki: 2.62cm or 1.03inches
Kasane : 0.62cm or 0.24inches.
Era : Late Edo period, around Tenmei era.
Shape: It is wide and thick strong katana with big and stretched kissaki.
It is nice shape katana.
Hamon: Nie deki with deep NIoiguchi with deep togari gunome midare combined.
There is active sunagashi and kinsuji work.
Thisis same in Boshi area which the hamon is undulating. The tip is brush up style.
Special feature : Satsuma province produced excellent swordsmiths under the patronage
of the Shimazu family. Motohira, born as a son of retaind swordsmith Oku Motonao
in 1744 was a representative swordsmith in early Shin-to
period. Motohira succeeded the headship of family in 1777 and was appointed
Yamato (No) Kami in 1789. His younger brothers Mototake and Motoyasu
were also excellent swordsmith and their collaboration still survives. Motohira
passed away in 1826, aged 83.
He had student such as Kaku Motooki and Aoki Motonaga.
His two younger brothers Mototake and Motoyasu was also a skillful sword smithes.
They left joint work with Motohira.
Historical background :Tenmei 6th year Tanuma Okitsugu downfall.
Tenmei 6th year Saijyo Urup Island.
Tenmei 7th year Matsudaira Sadanobu has started the Kansei reform
(reduced budget and vice raid operated) but it was meaningless.
NBTHK Tokubetsu Hozon paper.
Aoi Art estimation paper : whole Oshigata.