Sengoku Seki was an industry: smiths organized under their tutelary Kasuga shrine, arming the war bands of central Japan. Magoroku Kanemoto’s sanbonsugi and the finest Kanesada work prove quality survived inside mass production.
NihontoWatchNihontoWatchMuromachi Period · Certified Japanese Katana with Koshirae and Shirasaya A finely mounted Japanese katana attributed to Kanenori 兼則 of the Mino Seki tradition, accompanied by an official NBTHK Hozon Tōken certificate, its original Japanese registration license and a companion shirasaya for preservation. This elegant blade belongs to the renowned Mino tradition, one of the five great classical schools of Japanese swordmaking. Preserved with both a handsome dragon-themed koshirae and a white-wood resting scabbard, it offers a compelling combination of historical authenticity, collector appeal and strong visual presence. The Smith (Kanenori 兼則) This blade is the work of Kanenori 兼則, a respected name within the Mino tradition, also known as Mino-den. Mino was one of the Gokaden, the five great classical traditions of Japanese swordmaking, and became especially famous for swords created in and around the town of Seki. The Mino tradition developed from the older Yamato tradition during the late Kamakura period and reached its full maturity during the Muromachi era. Seki smiths became renowned for qualities highly valued by warriors: sharpness, structural reliability and a direct, purposeful elegance. Kanenori was not a single individual smith but a lineage that continued for several generations from the early Muromachi period onward. The earliest bearer of the name is recorded as an important figure among the early Seki schools, while later generations continued the name into subsequent periods and even neighbouring provinces such as Echizen and Owari. Blades of this line from the Muromachi period belong to the celebrated group known as Sue-Seki, Mino swords forged during the height of Seki’s prosperity. Historical Context The Muromachi period, especially its turbulent latter half during the Sengoku era, was the golden age of Mino swordmaking. Constant warfare created enormous demand for reliable swords, and Mino’s strategic position between the Kantō region and the capital made it one of Japan’s most important forging centres. Seki blades were produced for feudal lords, retainers and samurai across the country. They were valued not only as beautiful objects, but above all as dependable weapons intended to be carried and used. This katana belongs directly to that world. Its form, construction and later remounting history give it the honest, battle-tested character associated with true working swords of the samurai age. The Blade (Tōshin) The blade is forged in classic shinogi-zukuri form with an iori-mune back. Its graceful and well-balanced curvature rises toward a medium point, or chū-kissaki, giving the sword a confident and elegant silhouette. The hamon is lively and expressive, combining notare, gunome and midare elements worked in nioi with bright nie activity. This energetic temper line is unmistakably associated with the Mino tradition. The nakago is ō-suriage and mumei, with three mekugi-ana. These features reflect the long working life of a blade that was preserved, shortened and remounted across generations. The Koshirae The katana is accompanied by a handsome and well-preserved koshirae with a strong dragon theme. The saya is finished in brilliant vermilion lacquer with a sparkling granular ishime and nashiji surface, creating a striking and luxurious appearance. The fuchi-kashira and kojiri are crafted in dark shakudō-style metal and decorated with gilt dragons and heart-shaped inome openwork, combining martial symbolism with refined decorative craftsmanship. The tsuka is covered in genuine rayskin (same) and bound in black silk tsuka-ito over dragon menuki, creating a strong visual harmony with the rest of the mounting. The round iron tsuba is decorated with chrysanthemum and foliage sukashi openwork enriched with gilt accents, while the braided silk sageo is finished in a rich mustard-gold tone. Shirasaya and Preservation In addition to its decorative koshirae, the sword is accompanied by a companion shirasaya, a plain white-wood resting scabbard traditionally used for the safe long-term preservation of Japanese blades. This combination of both koshirae and shirasaya is especially desirable, allowing the blade to be properly preserved while the complete mounted form can also be appreciated and displayed. Documentation The blade is accompanied by an official NBTHK Hozon Tōken certificate, No. 354185, issued on 4 August Heisei 11 (1999), confirming its attribution to Kanenori of the Mino tradition. It is also accompanied by its original Japanese torokusho registration, Niigata No. 3669, issued on 31 March Shōwa 36 (1961), where it is recorded as a katana and listed as mumei. Specifications (寸法) Collector’s Value This katana combines several highly desirable qualities: a Muromachi-period Mino blade, NBTHK Hozon certification, original Japanese registration, a complete and attractive dragon-themed koshirae, and an accompanying shirasaya for preservation. Its ō-suriage and mumei condition speak to the long life of a blade that was valued, preserved and remounted through generations, while its workmanship remains firmly rooted in the practical and historically important Seki tradition. A complete, well-preserved and fully documented Muromachi-period Mino katana, this Kanenori blade represents a genuine sword of the samurai age: elegant, purposeful and deeply connected to one of Japan’s most renowned forging traditions.
Offered by Supein Nihonto
130 on the market
As written by the shop
Mino-den · Mino
130 pieces on the market now
Seki (関), in Mino Province, grew from two roots set down in the Nanbokuchō period and rose to become the great center of mass sword production in the late medieval age. The published sources trace the wellspring of Mino swordmaking to Kinju (whose name the commentary also reads Kaneshige), counted since antiquity among the Masamune Jittetsu, the ten disciples of Sōshū Masamune, and to Kaneuji of the Shizu line; the Kokon Meizukushi records Kinju as a native of Tsuruga in Echizen who "crossed over to Seki and resided there," carrying the Sōshū-den manner east. Beneath that Sagami inheritance lay a Yamato foundation, legible in the Tegai descent of the Seki Zensada line through Kaneyoshi, so that the Mino-den the Seki workshops forged stands as a fusion of Yamato grain and Sōshū activity in nie. From this Nanbokuchō founding the name multiplied across the Muromachi period into Sue-Seki, the last and largest body of the tradition; its representative masters at the close of the old-sword age were Magoroku Kanemoto, famed for the sanbonsugi, and Izumi no Kami Kanesada, the smith called Nosada, while the Kanefusa, Ujifusa and Daidō hands worked beside them and the move of Wakasa no Kami Ujifusa to Kiyosu carried the Mino body to the threshold of Owari shintō. A common Mino vocabulary binds the Seki body, however widely its members range. The forging is an itame that stands and runs to masame, often mixed with mokume and nagare, over which rises the cool whitish shirake-utsuri of Mino steel rather than the bright midare-utsuri of Bizen; this pale, standing jigane is the constant tell the judges read first, present alike on Kinju's Nanbokuchō katana, Kaneyoshi's Ōei tachi and Nosada's late-Muromachi blades. Over it the smiths temper gunome into which the pointed togariba of Mino enters, with ko-nie clinging to a tight nioiguchi, ashi and yō, and sunagashi streaming through; the bōshi answers in midare-komi turning to a pointed or jizō-cast ko-maru swept with hakikake. From this shared grammar the individual hands diverge.
Kanemoto fixed the regular three-cedar sanbonsugi of pointed teeth; Kanefusa devised the rounded-head, constricted-waist "Kanefusa midare"; Kinju and the early founders held a calmer, rounder gunome away from the restless Shizu line, their work laid with thicker ji-nie and dry, standing grain. The late masters carried the manner to a higher finish: Nosada wove togariba among rounder forms for a broader temper than Kanemoto's one-sided file, and turned at times to a slender Rai-styled suguha with a hidden gunome; Kaneyoshi held instead to a cool ito-suguha, the disciplined Yamato face of late Seki, lightly broken with ko-gunome. A collector seeks Seki because it is the connoisseur's ground for reading Mino-den across a vast body of signed and attributed work. The kantei runs through the jigane first: the standing, masame-leaning itame and the whitish shirake separate a Seki blade from Bizen and Yamashiro, after which the pointed togariba, the dry nie, and the pointed or jizō bōshi confirm the province; the discriminations the judges draw, Kinju held apart from Shizu by his rounder gunome, Nosada parted from Kanemoto by his breadth, give the eye its anchors. Within the school the standing of the best members is settled: Magoroku Kanemoto for the sanbonsugi, Nosada whom the swordbooks call simply "an excellent master" and the most accomplished of the several Kanesada hands, and the early Kinju as a rare and precious founding name, his record running through the Jūyō tier with the signed pieces few and the long blades attributed den. Signature works carry real provenance: a Kinju tantō presented to the Tokugawa shogunal house in 1679, a Nosada katana borne by a chief retainer of the Kii Tokugawa and a tachi forged for the father of Takeda Shingen, a Kaneyoshi tachi transmitted in the Chikuzen Kuroda family. Beyond connoisseurship, Seki's blades earned a battlefield reputation for cutting; the full hiraniku and stout build of the Sue-Seki katana, made to sever, set the wazamono standing that made Mino the working sword of its age. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kinju金重 | 1340-1346 | 42 |
| Kaneyuki金行 | 1350-1352 | 10 |
| Kanekore兼之 | 1504-1555 | 7 |
| Kanenori兼法 | 1579-1615 | 5 |
| Nagasada永貞 | 1862-1866 | 5 |
Mino in the Muromachi period
Sengoku Seki was an industry: smiths organized under their tutelary Kasuga shrine, arming the war bands of central Japan. Magoroku Kanemoto’s sanbonsugi and the finest Kanesada work prove quality survived inside mass production.
Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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 site14-day return if items arrive damaged or in unexpected condition; customer bears return shipping + insurance; items returned in original condition with all accessories; antique armour non-returnable; only regular priced items refundable; shipping costs non-refundable.
€8,500