The Yamato schools grew up in the shadow of Nara’s great monasteries: Tegai took its name from a gate of Tōdaiji. Their austere masame and quiet suguha are a temple aesthetic, prized ever since for exactly that restraint.
NihontoWatchNihontoWatchThe attribution to Yamato Shizu places this blade at a singular moment in Japanese sword history. The name refers to the early working period of Shizu Saburô Kaneuji – before he left Yamato province to study under Masamune in Sagami – when his blades still showed the classical Yamato-den character in both construction and spirit. The jihada retains the itame and masame mixture of the Yamato tradition; the vivid, energetic hamon already hints at the broader gunome and nie activity that would define his mature synthesis of Yamato and Sôshû methods. These early works occupy a rare position: they belong unmistakably to one tradition while pointing toward another. The blade is ô-suriage mumei – greatly shortened, with any original signature removed in the process. Despite this, the fundamental quality is immediately apparent: a broad mihaba and strong sori preserve the powerful late Kamakura sugata, the itame and masame-gakari jihada is vigorous and clear, and the notare-based hamon with gunome and plentiful sunagashi has the vivid, bright quality the Yamato Shizu school is known for. The NBTHK designated it Jûyô Tôken at the 19th session on June 1, 1970 – cert no. 3247. The shirasaya carries a sayagaki by Satô Kanzan (佐藤寒山), one of the most respected sword scholars of the twentieth century. The sword is fitted in a custom koshirae assembled by Unique Japan and certified authentic by the NTHK-NPO in 2015. The Edo period iron tsuba features a sukashi butterbur leaf (fuki-no-ha) design with hairline engraving; the shakudô fuchikashira bear lion (shishi) motifs in high relief with damascening; the menuki depict a sankozuka-ken with Fudô-myô iconography. The hilt is wrapped in brown ito with a hishi-maki rhombus pattern over white ray skin. The black kawari-nuri saya was newly crafted for this mounting.
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Yamato-den · Yamato
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Within the broad family of Shizu work, the setsumei reserve the name "Yamato Shizu"[[c:1]] for a specific subset. In the original sense, the term denotes the blades Shizu Saburō Kaneuji (兼氏 / 包氏) made while still resident in Yamato Province, before he settled at Shizu in Tagi District of Mino, during the years he signed with the characters read Kanetsugu (包氏). Kaneuji had trained first in the Yamato tradition of the Tegai line before entering the workshop of Masamune, becoming counted among the Masamune Juttetsu, and his Yamato roots persisted in the work he produced prior to the Mino removal. " The corpus accordingly spans the late Kamakura through the Nanbokuchō period, and most surviving examples are mumei, ō-suriage katana whose attribution rests on workmanship rather than signature. The shared vocabulary across these blades is consistent. The kitae is itame that flows and inclines toward masame, the grain often standing (hada-dachi), with mokume and nagare mixed in; near the edge the masame grows conspicuous. Thick ji-nie adheres, chikei enter frequently, the steel is sometimes slightly blackish, and a faint nie-utsuri or jifu-like texture may appear. The hamon rests on a suguha or ko-notare base into which gunome, ko-gunome, and a pointed edge (togariba, togari-gokoro) are mixed, with ashi and yō entering well.
Nie adheres thickly, the nioiguchi is bright, and along the habuchi the setsumei repeatedly note hotsure, nijūba, kuichigai-ba, uchi-noke, and yubashiri, with tobiyaki in places. Kinsuji and sunagashi run conspicuously, and the bōshi tends to hakikake, often turning toward yakizume or a flame-like (kaen-fū) form, sometimes finishing ko-maru. The judges describe this as a Yamato-den temperament intermingled with Soshu-den and Mino character. Recognition turns on that balance: against Shizu proper, the Yamato coloration shows in the high shinogi, the masame-laden flowing grain, the hotsure and kuichigai-ba along the edge, and the swept, flame-like bōshi; against Naoe Shizu, the work reads earlier and more nie-laden, closer to Kaneuji's own hand than to the later, calmer Mino continuation. In kantei the diagnostic weight falls on the masame-inclined standing grain, the suguha-to-ko-notare edge carrying gunome and togariba, and the dense Yamato-type habuchi activity (nijūba, kuichigai-ba, uchi-noke, yubashiri) coupled with bright nie and frequent kinsuji and sunagashi; the yakizume or kaen-style bōshi confirms the reading, and one judge likened a particularly fine ground to Hōenaga (包永) of the Yamato homeland. The signed tantō bear out the lineage: the Kanetsugu tantō with the gō "Sansui"[[c:2]], and another signed piece bestowed by the shogunal house upon the Makino family, both anchor the group to a documented name-line, while certain midare passages were judged to recall the meibutsu Bunbe Shizu. Provenance recorded in the setsumei reaches into prominent houses: a katana transmitted in the Chōfu Mōri family of Nagato, and a blade held as the personal sword of Ōmura Masujirō. Taken together, the Yamato Shizu blades occupy a distinct position between the Yamato schools that formed Kaneuji and the Soshu manner he carried into Mino, a grouping the NBTHK treats as readily affirmable on the strength of its grain and its activity. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kaneuji包氏 | 1350-1375 | 14 |
Yamato in the Kamakura period
The Yamato schools grew up in the shadow of Nara’s great monasteries: Tegai took its name from a gate of Tōdaiji. Their austere masame and quiet suguha are a temple aesthetic, prized ever since for exactly that restraint.
A blade of top-grade workmanship and condition, formally judged to rank with a nationally recognized Important Art Object (Jūyō Bijutsuhin). Awarded only at the NBTHK’s competitive annual examination.
Of Japan’s roughly 2.5 million registered swords, only 12,348 (about 1 in 202) have ever attained Jūyō.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteAll swords come with a three-day inspection period beginning from the date of delivery. If not satisfied, the sword may be returned within this period for a full refund of the purchase price. Outside of this period, all sales are final. Swords purchased on a layaway payment plan are not eligible for the three-day inspection period.