Yoshioka Ichimonji School — Splendid Choji-Midare of Bizen in the Late Kamakura to Nanbokucho Period

Historical Background

The Yoshioka Ichimonji school was a swordsmith group of the Ichimonji lineage based in Yoshioka, Bizen Province (present-day Okayama Prefecture), active from the late Kamakura to the Nanboku-chō period. Its predecessor, the Fukuoka Ichimonji school, arose in the early Kamakura period and flourished most in the mid-Kamakura period. While following that tradition, the Yoshioka Ichimonji school moved its base to the Yoshioka district within Bizen Province and developed its own style.

The name Ichimonji comes from the “ichi” character cut into the tang (nakago). The lineage traces back to Norimune of the Fukuoka Ichimonji, who was selected as a Gobankaji for Retired Emperor Go-Toba. Sukeyoshi, the founder of the Yoshioka Ichimonji, is said to have been Norimune's grandson and to have moved from Fukuoka to Yoshioka.

Characteristics of the Style

The hamon of the Yoshioka Ichimonji school is chiefly chōji-midare in nioi-deki and gunome-chōji.

Some of Sukemitsu's works feature chōji-midare with a wide width of the hardened zone (yakihaba), or ō-chōji-midare mixed with gunome.

The jigane has fine mokume-hada with ji-nie, and midare-utsuri appears. Utsuri is a characteristic of Bizen-den in general.

Representative Smiths

Smiths of the Yoshioka Ichimonji school shared the character “Suke” as a name element.

- Sukemitsu: a son of Sukeyoshi (some hold that he was his younger brother), considered the foremost smith of the group. Some of his works bear the dates Gen'ō 2 (1320) and Genkō 2 (1322). - Sukeyoshi: the founder of the school. Said to have been Norimune's grandson, and to have moved from Fukuoka to Yoshioka. - Sukeshige: one of the representative smiths of the group.

Sukemitsu has a naginata designated as a National Treasure, bearing the date of Gen'ō 2.

Cultural Context and Significance

The Ichimonji school was a prestigious group of swordsmiths that served the highest powers, including the imperial family, the court nobility (kuge), and the Kamakura shogunate. The Yoshioka Ichimonji is positioned within this lineage.

From the late Kamakura through the Nanboku-chō period, several branches of the Bizen-den tradition (such as the Osafune lineage and the Ichimonji lineage) coexisted and competed technically with one another. The Yoshioka Ichimonji flourished from the end of the Kamakura period through the Nanboku-chō period, and is valued as a representative school demonstrating the technical diversity and high level of Bizen blades of this era. From the mid-Muromachi period onward, Sue-Bizen (the Osafune lineage) became the mainstream of Bizen blades.