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　 　Hizen Koku Tadayoshi (first generation) 　

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 forging 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 extremely important position in the history of this period.
The main Tadayoshi family and derived branches had been developed and prospared.

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Appraisal Quiz #566 (November 30th, 2019)
Who made this sword do you think ?
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Blade length : 68.1cm or 26.81inches.
Sori : 2.1cm or 0.82 inches.
Mekugi : 4 (3 are buried)
Width at the hamachi : 2.89 cm or 1.13 inches.
Width at the Kissaki : 1.92 cm or 0.75inches.
Kasane : 0.6 cm or 0.23 inches.
The weight of the sword: 535 grams.
Era : late Kamakura period
Shape : Oo suriage mumei, regular size with deep sori and longer kissaki. Bo-hi and Soebi are engraved on both side.
Jigane : splendid jigane with clear midare utsuri
Hamon : Ko Nie Deki, Choji Midare

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