Ordering number: AS18527
Katana in Koshirae（NBTHK Hozon Token)
Signature: Ichi Hisyu Dewanokami Yukihiro Motte Oranda Tetsu Saku(1st)
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo Saku. ranking.
The blade is polished.
Habaki: Gold foiled single habaki.
Blade length:54.4cm or 21.41inches.
Sori:1.4cm or 0.55inches.
Width at the hamachi:3.17cm or 1.24inches.
Width at the Kissaki:2.57cm or 1.01inches.
Kasane:0.71cm or 0.27inches.
The weight of the sword:630grams.
Era: Edo perod Kanbun era.
Shape: The blade is wide and thick with deep sori and long Kissaki. On both sides of the blade, engraved Bo-hi.
Jigane: Koitame had well grained with jinie attch and chikei work which is called Konuka hada Hizen texture.
Hamon:Nie deck deep nioikuchi Cyoj midair from the Hamachi to Kissaki era and the hamon is lamost erach to the shindig and checked the inside of the Hamon, sunagashi, kinsuji work.
special feature:Yukihiro was a swordsmith of Hizen province. He was the Second son of Hashimoto Yoshinobu. Yukihiro got the title of Dewa Daijo in 1648 and ranked up to Dewa (No) Kami in 1663. He went to Nagasaki to learn under Hisatsugu and Tanenaga who were well informed about western steels brought by the Dutch. Later he became a retained swordsmith of the Nabeshima family and lived in Nagase town. He passed away in 1683, aged 66.
Saya: The saya is covered by cloth.
Tsuba: On the rod shape petal design is open work Tosyo Tsuba.
Menuki: dragon is engraved with gold color.
From Aoi Bijyutsu: He used Holland iron for making his swords, the steels is very expensive at that time.
We find many swords which are used by Holland steal during early to middle Edo period. We don’ know why other swordsmith did not use Holland steal after Kanbun era at edo period.
NBTHK Hozon Token paper
Aoi Art estimation paper: whole Oshigata
Auction starting Price:450,000 JPY-.