Ordering Number: 23021
Wakizashi in Shirasaya(NBTHK Tokubetsu Hozon Token)
Signature: Oumi Daijo Fujiwara Tadahiro(2nd generation)
近江大掾藤原忠広（二代）
Shinto: Jyo Jyo saku: Owazamono: Hizen
Aoi Bijyutsu Syoshin Kanteisyo :NBTHK Tokubetsu Hozon
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.
Habaki: Gold color double Habaki.
The blade is polished.
Blade length:42.27cm or 16.64inches.
Sori:1.52cm or 0.59inches.
Mekugi:1
Width at the hamachi:2.89cm or 1.13inches.
Width at the Kissaki:2.2cm or 0.86inches.
Kasane:0.59cm or 0.23inches.
The weight of the sword:440grams
Era: From the Kanbun era to the Kanei era
Shape: The blade is broad and thick with shallow Sori and slightly longer Kissaki.
Jigane: Koitamehada is grained well. Elaborate Konukahada, Hizenhada.
Hamon: Niedeki Suguha is grained well with deep and soft Nioikuchi.
Special feature: Oumi Daijo Fujiwara Tadahiro was a son of the first generation Tadayoshi and studied the technique from his father. After his father passed away he succeeded to 2nd generation. Tadayoshi 1st had a lot of pupils and after the second had succeeded the family, many pupils helped him a lot and secured his prosperity. He succeeded to Oumi Daijo in July of Kanei 18 and he kept on making swords for 60 years. Tadahiro produced numerous swords, but among them, 2nd is really popular. He passed away at the age of 81, in Genroku 6. Mutsu Daijo Tadayoshi 3rd, Harima Daijo Tadakuni, Kawachi Daijo Masahiro, and Dewa Kami Yukihiro…There were lots of great pupils from his school. And he also got supported by Nabeshima Domain and monopolized hollandaise iron, he made unique Jigane and he allowed its production only in his family.
From Aoi Art: This school was founded by Hizen Kuni Tadayoshi and lasted to the 8th generation in the late Edo period by the support of Nabeshima domain. It had numerous pupils. Their Jigane is especially famous and other swordsmiths could never trace their way. In Bungo province, there were swordsmiths that could make similar Hamon, but not Jigane. Their skill and methods were kept as a secret.
NBTHK Tokubetsu Hozon Token paper
Aoi Art estimation paper: whole Oshigata by Ayaka Tsuruta
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