Gendaito by Sheishinshi Sadatoshi and Nagatoshi(collabration work)清心子長寿 貞寿合作 for sale | Giheiya Japan

Gendaito by Sheishinshi Sadatoshi and Nagatoshi(collabration work)清心子長寿 貞寿合作 for sale | Giheiya Japan

Item No.01-1368

Consignment Sale
Gendaito by Sheishinshi Sadatoshi and Nagatoshi(collabration work)
Original + new Koshirae, a wonderful Tameshigiri sword

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<Swordsmith and sword feature>
Seishinshi Nagatoshi 清心子長寿(Seishinshi = pseudonym),real name Tamekazu 為一, was born in 1901 in Tokushima prefecture.
He studied under his father Kojima Tomoro "Kunitomo 国友" and his elder brother Kojima Kameta 小島亀太"Genbusai Shigefusa 玄武斎重房"(one of the listed grand swordsmith).
He set up his sword forging workshop in 1933 and when the WWII started, he accepted Japanese army at Osaka arsenal's request of Gunto forging. During the period he gained a huge reputation as the strongest & sharpest blade maker in Japan.
Later he joined his elder brother's workshop "Genbusai-Tanto-jo 玄武齋鍛刀所" with his son "Sadatoshi 貞寿".
In 1974, he was designated to the Important Cultural Property 徳島県重要無形文化財 by the Tokushima Prefecture Government for his sincere contribution to the Japanese sword making.

Seishinshi Sadatoshi 清心子貞寿,real name "Kojima Hiroshi 小島浩" was born in 1930 and studied under his father Seishinshi Nagatoshi清心子長寿 and later joined his uncle Kojima Genbusai's forging studio together with his father.
He also learned under smith Kawano Sadashige 川野貞重 from Gassan月山 school since Showa 43 (1968) then gratefully accepted to use a word of SADA 貞 as his smith name.
He won Nyusen awards both in the 5th and 6th Shinsaku Meitouten contest 新作名刀展 held by NBTHK (Japan sword preservation society).
His Bizen style sword forging was highly influenced by their ancient technique.

Previous owner ordered a new Koshirae & Shirasaya late last year and this sword was never been used after the completion of Koshirae set.
We recommend a full polishing 研ぎ to refresh the blade(blade weight will be lighter). It will be an ideal sword for Tameshigiri 試斬.

It has an ordinary blade weight and a width, Shinogi-zukuri, Iori-mune. The curve is Toriizori style and the blade top is Nakamine.
There are Katachiri Bohi(thick groove which extends to shinogi,leaves flat space only on Mune side) on both side of the blade.

<Hada - Forging>
The jihada (body of the sword) is a tightly forged Koitame 小板目肌 and coarse Jinie(darkish crystal)granule 地沸 attaches on the surface.

<Hamon - Temper patterns>
The Hamon is Choji 丁子刃 with abundant Ashi activities. Nioi(the border between the ji and the hamon) is quite clear 匂口冴える.
Boshi- temper line of the tip is Midarekomi(wavy) and turns back to a gentle curl called Komaru.

<Nakago - Tang>
The Tang is Ubu(original) and has Kesho(decorative) file marks. Nakago end is Kurijiri shape.

<Habaki-Metal collar>
Solid silver single piece Habaki with Yujo pattern.

<Koshirae - Mountings>
please check the detail pictures.

[Koshirae 1]
Tsuba: Mokko shaped iron base Tsuba with Amida file marks.
Fuchi Kashira: Solid silver set with engravings of waves and dragon.
Menuki: Solid silver base piece with engravings of "Shikunshi 四君子- orchid,bamboo,chrysanthemum,plum flowers".
Tsuka: Covered with ray skin with Oyatsubu and wrapped with Nando(teal) pure silk in Katate-maki style.
Saya: Kuro-ishimenuri - a rough textured black lacquerer finish.

[Koshirae 2]
Tsuba: Kiku Shukashi Tsuba(stainless steel).
Fuchi Kashira: Engraved dragon on Nanako pattern copper base.
Menuki: Engraved Kurikara sword 倶利伽羅剣。
Tsuka: Covered with ray skin with Oyatsubu and wrapped with Nando(teal) pure silk in Morohineri-maki style.
Saya: Kuroro- lacquered in black. A spare Shirasaya comes with this sword.

<Blade Condition>
Polish: Although the blade seems "cloudy" due to Furutogi, there is no trace of rust. Full polishing will bring out beautiful Ji and Hada again.
Defects such as openings, chips and cracks: There are few Sumigomori 墨篭 spots on Sashiura side.

****  Please   Note   ****

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Products No.01-1368

Blade length 71.8cm/ 2'4.3"/ 2shaku 3sun 7bu Tsuka length --
Curvature - Sori 1.7cm/ 0.67"/ 5.6bu Mekugi (Pegs) 1
Blade Bottom Width 33.0mm/ 1.3"/ 1sun 9rin Blade Bottom Thickness 7.5mm/ 0.3"/ 2.5bu
Blade Top Width 23.0mm/ 0.9"/ 7.6bu Blade Top Thickness 5.5mm/ 0.22"/ 1.8bu
Weight Blade only: 855g / 1.9lbs
Without Saya: 1,210g / 2.67lbs
Period Showa51 (1976)
Inscription / Signature Front: Seishinshi Nagatoshi sadatoshi Gassaku(collaboration)
清心子長寿 貞寿合作之
Back: 昭和五十一年霜月日
Showa51 nen Shimotsuki-jitsu
Registration in Japan 9 November 1976
Tokushima Prefecture Board of Education
Clip to Evernote  

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