Ordering number: AS19371
Katana in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Token)
Signature: Hizen Koku Tadayoshi (first generation)
Sayagaki: Hizen Koku Tadayoshi, Suriage 5 Kanji characters.
This blade was made Tadayoshi the first’s golden age, around Keicho 18(1613).
Generally, Ko Notare Ha base work was called as a copy of Naoe Shizu.
The Ji and Ha are so nice works. The shape of signified beauty.
The blade length is 2 Shaku 3 Sun 6 Bu Han.
Written by Mr.Tanobe.
Shinto: Saijo Saku: Saijo Owazamono: Hizen
(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.
The blade was polished.
Habaki : Gold failed J single habaki.
Blade length : 71.5 cm or 28.14 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi : 2
Width at the hamachi : 3.09 cm or 1.21 inches.
Width at the Kissaki : 2.36 cm or 0.92 inches.
Kasane : 0.65cm or 0.25 inches.
The weight of the sword: 870 grams.
Era : Edo period, around Keicho era 1613.
Shape : 6cm Suriage, Machiokuri wide and rather thick Wakizashi.
The Keicho style Wakizashi.
Jigane : Ko Itame Hada well grained with Jinie attach.
The Jigane is beautiful. There are light rusts on the Ha and Mume.
Hamon : Nie Deki, Gunome Midare and Ko Gunome Midare with Ashi.
Special feature: Tadayoshi the First, born Hashimoto Shinzaemon was a swordsmith of Hizen province, present Saga pref. in Kyushu Island.
Both his father and grandfather passed away when Tadayoshi was 13 years old so Tadayoshi learned under Dotanuki Zenbei in Higo province,
present Kumamoto pref. Tadayoshi and Munenaga went to Kyoto to learn under the Umetada School in 1596.
Tadayoshi learned the forging a sword and Munenaga learned the carving.
They returned in 1598. Tadayoshi worked as a retained swordsmith of the Nabeshima family in the domain of Saga.
Tadaysohi’s first sword inscribed the date was forged in 1600
at the age of 29. He changed the name to Tadahiro at the occasion of approved as the Musashi-Daijo in February 1624.
Tadahiro (Tadayoshi) passed away in 1632.
His sword was ranked as a Saijyo-saku O-wazamono in the shin-to period.
The Hizen School placed an extremely important position in the history of this period.
The main Tadayoshi family and derived branches had been developed and prospared.
From Aoi Art : Tadayoshi inscribed the signature with five characters entire sword forged around 1624 to 1628,
the first year to the 4th year of Kan-ei era. Rarely his sword forged during in 1628,
the 5th year of Kan-ei has a little biggish signature inscribed with medium-thick tagane.
The temper line of most Hizen-to starts slightly away
from the hamachi except for some swords
with the signature Hizen (No) Kuni Tadayoshi by Tadayoshi the First.
The same applies to the sword with the signature Junin Tadayoshi
and Musashi Daijyo Tadahiro.
NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.