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.
NihontoWatchNihontoWatchAccording to the NBTHK certificate, this blade bears a kin-zōgan (金象嵌, gold inlay) signature of Kanemoto (兼元), dating to the late Muromachi period (late 15th to early 16th century). Kinzogan Mei is a signature made by an appraiser of Japanese swordsmiths during the Samurai era, especially during the Edo period. The appraiser chiseled the swordsmith’s name he attributed to an unsigned blade and then put pure gold on each letter. It was a luxury to ask an appraiser to make a Kinzogan Mei because of the cost of pure gold and skilled labor. Therefore, we assume the previous owner who submitted this blade to an appraiser must have been a wealthy Samurai. The swordsmith name Kanemoto lasted 27th generations from the Muromachi period (the early 16th century) to the Heisei period (modern-day). It was made by one active during the late Muromachi period. It is said the most skilled Kanemoto of all is the second-gen, also known as Magoroku, who was one of the most famous MINO swordsmiths from the Muromachi period. He forged swords in the Mino province, which is renowned for a particular sword style called MINO-DEN. Each generation was good at creating swords with Sanbon Sugi tempering line (Hamon in Japanese). Sanbon Sugi tempering line resembles a small cedar tree/forest growing horizontally. Highly refined craftsmanship have been passed down for many generations. About MINO DEN MINO-DEN exceedingly prospered during Sengoku Jidai (Warring State period) due to the high demand for weapons. And the location of Mino province beat others. Akechi Mitsuhide controlled Mino province, and Nobunaga Oda ruled Owari province. Tokugawa Ieyasu was the lord of Suruga. There was high demand from those powerful feudal lords and their retainers. Furthermore, so many wars occurred between the Kanto region and the Kyoto area. Mino is located in the middle, making feudal lords feel convenient to order swords from MINO-DEN. The blades forged in MINO provinces also had the reputation of their practical design and sharpness. Many feudal lords demanded swords forged in the Mino province. This highly skilled sword-forging technique has been passed down for generations. The smith’s name “Kanemoto” was one of the most famous even after the warring state ended. It is appraised as a Hozon Token (保存刀剣) issued by NBTHK (Nihon Bijutsu Touken Hozon Kyokai:日本美術刀剣保存協会). *Please keep in mind that there are a few Kitae Kizu on this blade. Fuchi-Kashira The theme of this Fuchi-Kashira is Unryu Zu (雲龍図). It is a combination of dragons (龍) and clouds (雲). Initially, dragons were imaginary creatures found in ancient foreign traditions or myths. Furthermore, it is regarded as a symbolic beast of auspicious signs. Its body is likened to nine animals: antlers are deer, the head is a camel, eyes are demons, the neck is a snake, the belly is the Mizuchi (蛟, a mythical animal in Japan that looks like a snake and has a horn and four legs), scales are fish, claws are falcons, palms are tigers and ears are cows. It was thought that the dragon would reign at the top of all animals because of its odd-looking appearance. Regarding the cloud pattern, clouds bring blessed rain and snow, and their movements significantly affect the day’s weather. Due to its supernatural power, a theory says that gods, spirits, and dragons dwell in the clouds. In Japan, there is a belief that worships dragons as water gods. Since rice cultivation has flourished in this country, people always treat water as an essential resource. We imagine some people wished for a plentiful harvest in the Unryu theme. From such a religious aspect, we could infer that dragon designs were familiar to people. Tsuka and Menuki The motif of this Menuki (目貫) is the same as that of the fuchi-kashira (縁頭): Dragon (龍, Ryu) design. This consistency in theme creates a strong sense of visual unity across the sword mountings. Tsuba and Habaki This tsuba is mokkō-shaped (木瓜型, mokko-gata), a form resembling a cross-section of a gourd or the Japanese quince flower, which was a popular shape for sword guards from the Muromachi through the Edo period(15th–19th centuries). *There is a small chip on part of the habaki, so please check the details in the photos. Authentication Paper They authenticated the blade on December 4th in the 6th year of Reiwa (2024). They appraised it as Hozon Touken, the blade worth preserving for Japanese society.
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Kanemoto (兼元) worked at Akasaka in Mino Province, and the line takes its place among the smiths of the late Muromachi period whom the NBTHK registers under the Mino-den tradition centered on Seki. The setsumei place the family within the Sue-Seki (Sue-Mino) milieu, naming Kanemoto alongside Kanesada as the two leading figures of the province in this era; one tantō note instead pairs the name with Kaneshiba, and another with Izumi no Kami Kaneshige, marking the company the line kept. The name passed through successive generations, and the records repeatedly state that distinguishing each generation has not been definitively settled. Dated long signatures reading "Nōshū Akasaka-jū Kanemoto" survive from the Meiō, Bunki, Daiei, Kyōroku, and Eishō eras, while two-character signatures bear no date. The first generation is documented through pieces dated Meiō 6, 8, 9, and 10, all giving the Akasaka residence; the most accomplished hand, and the one the world singles out under the sobriquet "Magoroku Kanemoto," is the second generation. The shared vocabulary of the line is the sanbonsugi (three-cedar) gunome, a sequence of linked pointed crests that rise and fall in groups. The ground is Mino-den through and through: itame-hada mixed with mokume and flowing masame, tending toward standing grain (hada-dachi), with fine ji-nie, chikei, and a whitish shirake-utsuri that the setsumei call out again and again. The temper mixes togariba (pointed elements) and gunome, is nioi-dominant with ko-nie, and runs sunagashi, kinsuji, and occasional tobiyaki; the bōshi is typically midare-komi turning in ko-maru, often described as Jizō-like with hakikake or a falling kaeri. The chief means of separating the second generation from the later line is regularity: as the generations descend, the pointed crests grow sharply angular and standardized, whereas Magoroku's sanbonsugi is deliberately uneven, the gunome heads rounded in places, and the pattern shifts freely into nihonsugi, yonsugi, and gosugi groupings of two, four, and five. The records describe this as a gyōsō (cursive, free) manner.
The first generation, by contrast, does not emphasize sanbonsugi at all, favoring gunome mixed with gunome-chōji and at times yubashiri and tobiyaki; both generations also made suguha, and one tantō is an uncommon Rai-utsushi in elegant straight temper that evokes Kaneyuki. For kantei, the line is read through the standing Mino grain, the shirake-utsuri, and above all the irregular sanbonsugi, with the leaning bōshi a noted point: the records observe that the honka model and these blades share a bōshi that falls over. Named and documented works recur across the register. A naginata dated Kyōroku 1 (1528) carries the full Akasaka signature and is valued as documentary source material, dated two-character pieces being scarce. A katana bearing a kinzōgan inscription on the reverse is known as "Sasatsuyu Kanemoto" and is recorded in the hands of Makishima Kenmotsu Akishige, of the same clan as Furuta Kosukezaemon. The "Aoki Kanemoto," a second-generation work, is said to be the sword with which Aoki Ichishige, a retainer of Tokugawa Ieyasu, killed Magara Masataka of the Asakura side at the Battle of Anegawa in Genki 1 (1570). A further katana carries a Genna 1 (1615) kinzōgan cutting-test inscription by Nakagawa Saheita reading "two bodies," and one suguha katana descended in the Echizen Matsudaira family. Two katana signed Kanemoto are recorded in Honma's inventory of the Imperial collection. Across these works the line is registered as the cutting-edged representative of Sue-Seki, its hand recognized wherever the three-cedar temper runs uneven over standing Mino steel. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kanemoto兼元 | 1521-1528 | 30 |
| Kanemoto兼元 | 1532-1555 | 0 |
| Kanemoto兼元 | 1573-1592 | 0 |
| Kanemoto兼元 | 1592-1596 | 0 |
| Kanemoto兼元 | 1818-1830 | 0 |
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.
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