$9,177

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About the school

Osaka Shinto School大坂新刀派

Osaka in the early-to-mid Edo period was a merchant capital, a city of commerce and capital rather than a castle town tied to a single daimyo house, and the swordsmiths who gathered there worked for a wealthy townsman clientele as much as for warriors. The grouping known as Osaka Shinto (大坂新刀) took shape in Settsu from two feeder currents. One was the Horikawa line of Kyoto: Izumi no Kami Kunisada, the elder Kunisada whom later sources call the Oya-Kunisada, came down to Osaka after the death of his master Horikawa Kunihiro in Keicho 19 (1614), and with him came Kawachi no Kami Kunisuke, a late disciple of the same Kunihiro. The other was the Ishido tradition of Settsu and Ise, which had revived the koto Bizen *choji* in new-sword steel; the Kunisuke house traced its descent to that group, and its second generation, known as Naka-Kawachi, turned the line decisively toward the Ishido clove. From these beginnings the school grew through the Kanbun, Enpo, and Genroku years into the most coherent regional manner of the *shinto* age. What binds these smiths is a shared steel before any shared temper. The forging is the bright, packed Osaka *ko-itame*, sometimes called the *Osaka-gitae*, a *jihada* so tightly worked that the grain scarcely shows, the *ji-nie* adhering minutely and fine *chikei* threading the surface, the *jigane* clear and lustrous. A second constant is the start of the temper: nearly every blade opens with a straight *suguha yakidashi* at the base before the *hamon* declares its individual pattern, and a deep, bright *nioiguchi* runs the length above it. Within that common grammar the great hands diverge. Tsuda Echizen no Kami Sukehiro founded the billowing *toranba*, the surging-wave *toran-midare* that became the school's most imitated signature. Inoue Shinkai, called the Osaka Masamune, tempered no wave at all but a deeply *nie*-laden *suguha* shading into shallow *notare*, with *kinsuji* and *sunagashi* entering vigorously, and the published sources pair the two by contrast as the school's two great champions, Sukehiro outstanding for *nioi* and Shinkai for fine *ko-nie*. Ikkanshi Tadatsuna carried the Sukehiro wave into his own *sudareba*, the surging temper that reads like a hanging bamboo blind, and matched it with the relief carving treasured as *Ikkanshi-bori*. The Echigo no Kami Kanesada line followed Sukehiro's *toran* so faithfully that the second generation is read as approaching the model, marking his own work with a leaning *katayama-midare* and three linked *gunome* below the *yokote*; Naka-Kawachi and his brothers Higo no Kami Kuniyasu and Ise no Kami Kuniteru held the rival clove wing, the flamboyant *choji* crowned by the fist-shaped *kobushigata-choji* over a beautifully ordered *ji*. A collector seeks Osaka Shinto for the union of bright steel and brilliant edge, an art-sword (*bijutsu-token*) appeal in which the *jigane* itself is half the pleasure. The grouping reads at *kantei* from its own grammar: look first for the Osaka-gitae, the lustrous near-*muji ko-itame*, then for the straight *yakidashi* opening the temper, then for the deep clear *nioiguchi*; the individual hand follows from the pattern above, Sukehiro's and Kanesada's and Tadatsuna's *toran*, Shinkai's *nie*-deep *suguha*, the Kunisuke wing's fist-shaped clove. The standing of the best members is high in the NBTHK register: Shinkai is rated *Sai-jo saku*, Tadatsuna and Kunisuke *Jo-jo saku*, and the line of the second Kanesada is held to rank immediately after Sukehiro and Shinkai, with later admirers such as the *shinshinto* smith Nagato no Kami Suketaka still copying the *toranba* a century on. Many of these blades are signed and dated, so their inscriptions double as documentary anchors for the whole tradition, and provenance, where it survives, runs through known houses and modern collectors, the Yamauchi of Tosa, the Itakura, the Imperial collection, and the Meiji sword-lover General Tani Tateki. A signed Shinkai of the Enpo prime or a dated Tadatsuna carrying his own carving is a landmark when it appears, while the productive clove masters of the Kunisuke wing offer a more attainable entry into the brightest steel and edge the early Osaka school produced.

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