Ordering number: 20193
Wakizashi in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Token)
Signature : Omi Daijo Fujiwara Tadahiro
Shinshinto: Jyojyo-saku: Oowazamono: Hizen
(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 was polished by high ranking polisher.
Habaki : Silver single habaki. Pattern is engraved.
Blade length : 51.4cm or 20.23inches.
Sori :1.2cm or 0.47inches.
Width at the hamachi : 3.2cm or 1.2inches.
Width at the Kissaki : 2.19cm or 0.86inches.
Kasane : 0.68cm or 0.26inches.
The weight of the sword 590 grams.
Era : Edo period Kanei era
Shape : Thick and wide blade. Regular Sori and big Kissaki
Jigane : Ko-itame-hada well grained. Jinie attached which called Konuka-hada.
Hamon :Nie-deki. From Hamachi, Suguha then round Gunome-midare and Ko-Gunome-Midare continued. Sunagashi work.
Boshi: Round Yakizume style, turn back a little.
Special feature: Tadahiro the Second forged this katana. He was born
Heisakuro Hashimoto as a legitimate son of Tadayoshi the First. Tadahiro was only19 years old when his father passed away in1632 but he was skillful enough to forge a sword at that time. Tadahiro designated the Omi-Daijo in 1641, aged 29 and continued not only forging sword but also supervised many pupils until his death in 1693, aged 80. He is known as a skillful swordsmith almost all works are above the standard hizen-to. He had been forged sword for a long period of time to leave the largest number of swords among the swordsmiths of Hizen school. He was good at both of Suguha-hamon and Choji-midare Hamon. Especially the beauty of jitetsu called konuka-hada is appreciated as the best among the hizen-to. His swords are ranked at the Owaza-mono because of the sharpness.
Tsuba: Mokko Iron Tsuba. Mimi is a Tachiage style. Plants and flowers are engraved with gold color.
Saya : Black Roiro Saya
Menuki: Dragon is engraved with gold color.
Kozuka: On a copper plate, the chrysanthemum is engraved with gold color.
From Aoi Art: This O-midaijo Fujiwara Tadahirohas wide and thick blade, very good shape. Especially, Konuka-Hada well grained, and Hamon is rare, Nioi with deep Gunome-midare but is not uguha. Koshirae is also matched with the blade. This sword was kept carefully for a long time, we recommend this sword for you.
NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.