This is a mumei katana attributed to Tametsugu, a distinguished swordsmith of the Nanbokucho period. It exhibits classic Soshu traits with a powerful notare hamon, chikei, and nie-rich jihada, reflecting the influence of Go Yoshihiro and Norishige. The blade comes with a rare and elegantly crafted Ryaku-tachi Koshirae.
NihontoWatchsuriage-mumei · Soshu · Nanbokucho · nagasa 69.4cm · sori 2cm
Mino (Hokurikudo Soshu-den, the Norishige line) · Mino · around 1345-1350
2 pieces on the market now
Tametsugu signed his blades Noshu-ju Fujiwara Tametsugu, and that inscription is the key to him. He is transmitted as a pupil of Go Norishige of Gofuku-go in Etchu, in some accounts a son of Go Yoshihiro, who carried the Soshu tradition out of the Hokurikudo and settled in Mino. The published sources are careful with the link: among his extant works there are signatures naming both Echizen and Mino, the published commentary noting that "there are inscriptions for both Echizen and Mino"[[c:1]], while no example at all reads as resident in Etchu, the judges observing that "there is none signed Etchu-ju"[[c:2]]. Because his dated pieces fall in the Joji and Oan years of the later Nanbokucho, two generations below Norishige's late-Kamakura work, the swordbooks treat the Norishige discipleship as a manner received across a generation rather than a bond made at one forge, and find a direct link to Norishige, or to Yoshihiro, hard to sustain on chronology. He is best understood as the Soshu tradition carried north and inland, a Norishige hand resettled among the smiths of Mino.
His characteristic manner is the one the judges name outright: a Norishige-style forging crossed with a Mino temper. The published commentary states it plainly, that his work shows "a Norishige-style forging on which is tempered a Mino-style gunome and pointed togariba, displaying a manner of its own"[[c:3]]. Over a standing itame he sets a notare mixed with gunome into which the pointed togariba of Mino are folded, the nie strong and deep, and above all the sunagashi run with a frequency that is his signature, drawn out long with kinsuji within them. The nioiguchi does not blaze; it tends to subside, a quiet, restrained line, and the steel beneath it darkens. This combination, the wet Norishige notare given the sharp Mino tooth and laid over a dark, nie-laden ji, is what a Tametsugu reads as on sight.
The jigane is the constant. It is itame, frequently mixed with mokume and large grain and flowing toward masame in places, the grain standing and at times opening, with thick ji-nie and chikei entering, and a steel of distinctly northern cast that darkens in tone. The published sources give as the common thread of his authenticated work an itame "that stands and darkens"[[c:4]], a nie-based temper whose nioiguchi subsides, and, as a negative tell, the fact that "there is no suguha"[[c:5]] among the mainstream pieces. Over that jigane the hamon is most often a shallow notare carrying gunome and togariba, with ashi and yo, tobiyaki and yubashiri at the edge on the more active blades; the boshi runs midare-komi with frequent hakikake, turning in a ko-maru or, on the many shortened naginata-naoshi, finishing in a yakizume sweep.
His record divides cleanly into two registers. The great body of it is the o-suriage, unsigned katana attributed to him from style, broad Nanbokucho blades with extended or large kissaki, on which the Norishige character is clearest. Against these stand the rare signed and dated pieces, exceedingly few, headed by an Oan-dated tanto that is a prewar Juyo Bijutsuhin, with a shobu-zukuri naginata-naoshi tachi dated Oan 7 (1374) and an ubu tachi cut Fujiwara Tametsugu saku. The published sources draw the contrast within his own work, noting that the Mino flavor runs the stronger in the signed pieces while the Norishige manner shows more clearly in the mumei attributions, and adding the candid judgment that the signed work can run somewhat coarse while "among the unsigned attributions there are, on the contrary, examples of quite good workmanship"[[c:6]].
What sets him apart is read off his own blades, not borrowed from his master. His is the larger, more billowing notare-midare, and the published commentary distinguishes him from the other Mino Soshu hands by it directly, holding that his work "differs in manner from Shizu and Kaneshige"[[c:7]]. Beside Norishige himself the difference is one of degree and clarity: his hada does not stand as strongly and his chikei are the fewer, the judges remarking on one blade that "the chikei are less conspicuous than in his master Norishige"[[c:8]], and his steel darkens where the Sagami masters' is bright. The breadth of his manner reaches occasionally into other idioms, one shortened katana judged "workmanship in the Yamato Shikkake manner"[[c:9]], a reminder that the provincial Soshu-den he practiced absorbed more than a single line.
For the collector Tametsugu is a Nanbokucho name encountered almost entirely through attribution. He has no National Treasures and no Important Cultural Properties; his record runs instead through the prewar Juyo Bijutsuhin and a long roll of Juyo blades across many sessions, the signed and dated pieces, the documentary core of the name, being the rarest of all. The published sources hold those few signed works to be of exceptionally high value precisely because so little survives, and longer signed examples are scarcer still. Owner records are thin: a pair of his blades is preserved at Atsuta Jingu, the Oan tanto passed through the prewar collection of Akaboshi Tetsuma, and most current whereabouts go unrecorded. The mumei katana attributed to him do reach the market from time to time, a den-Tametsugu appearing among Juyo Soshu-den blades with some regularity, but a signed and dated Noshu-ju Fujiwara Tametsugu is a different order of thing, the document that fixes the name, and a privately held example is among the more uncommon encounters in the field. One such mumei katana the published commentary calls outright "a quintessential example of Tametsugu's work"[[c:10]], which is the best a collector can realistically hope to meet.
Where Tametsugu stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
Select a lens to see how it's measured.
Soshu-den · Sagami
Phase: Sōshū相州· 1288–1385
44 pieces on the market now
Steel "bright and clear," with thick ji-nie and chikei entering frequently, is the constant the NBTHK returns to in nearly every blade of this phase, and it marks the moment the Soshu tradition reached its summit in Sagami. " The sampled blades cluster around the masters who carried this manner forward: Go Yoshihiro of Matsukura-go in Etchu, counted among the Masamune Juttetsu and represented here by numerous ō-suriage katana, and the Sagami smiths Hiromitsu and Akihiro, who stand "next after Sadamune" and extend the phase with dated works running from Enbun 2 (1357) to Shitoku 4 (1387). The window spans late Kamakura proportions through the broad Enbun-Joji forms of the fourteenth century. The phase reads as itame-hada mixed with mokume, often tending toward standing or flowing grain, carrying very fine ji-nie laid thickly with chikei threaded densely throughout; over this the hamon is founded on notare mixed with gunome, ko-gunome, and a chōji flavor, with deep nioi, thick nie, and kinsuji and sunagashi running well, the nioiguchi bright and clear. This is precisely the distance the school traveled from its Awataguchi roots: where that foundation held a tight, restrained suguha, the Go katana break into wide yakihaba, nie-kuzure, and yubashiri (one setsumei records nie that "gathers, thickens, and congeals"), with a bōshi tempered so deeply it becomes ichimai and sweeps in hakikake. Go himself sits one step calmer than Masamune and Norishige, his chikei and kinsuji more reserved but his ji and ha a step brighter, the hada often masame-inclined; one wide-suguha example with ko-midare shows how close the quiet end of his range stays to the Kunimitsu manner.
" Here the classic phase divides from the later Sue-Soshu continuation, whose Muromachi smiths inherited the vocabulary without the depth of nie and clarity of steel recorded in these blades. A collector separates this phase because it holds the recognized masters at full strength. Go achieved the highest designation through the unmistakable brightness of his ji-ha alone, despite no surviving signed works, and the sample carries the weight of that reputation: the meibutsu Nakagawa-Go owned by a retainer of Oda Nobunaga and later the Tokugawa house, the "Kabuto-giri" Go inlaid by Hon'ami appraisal, the Okubo-Go transmitted in the Odawara Okubo family, and blades held by the Uwajima Date and Chikuzen Kuroda houses, with names recorded in the Kyoho Meibutsu-cho. The kantei points are concrete and repeated: Go's active nie-ashi, masame tendency, and ichimai bōshi; Akihiro's dated five-character "Soshu Akihiro" signatures, whose shift from full to abbreviated dating after Eiwa lets a viewer place a blade in time; and the near-indistinguishability of Hiromitsu and Akihiro, parsed only by scale and the prominence of dango-chōji. These are the works that define the Soshu apex, against which both the Awataguchi foundation and the Sue-Soshu aftermath are measured. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Masamune正宗 | 1288-1293 | 84 |
| Sadamune貞宗 | 1329-1331 | 86 |
| Go Yoshihiro義弘 | 1299-1302 | 54 |
| Akihiro秋廣 | 1346-1370 | 27 |
| Kunimitsu國光 | 1293-1322 | 69 |
Kamakura fell in 1333, but the school’s greatest era followed: Sadamune working at his teacher’s standard, Hiromitsu and Akihiro spilling hitatsura over the whole blade, and the Sōshū manner spreading with the armies until it became, for a time, a national style.
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 12,307 (about 1 in 203) 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 siteTo facilitate this, we offer a three-day inspection period. To initiate a return, you must notify us within three days of the package being delivered. Once we confirm your request, you have seven days to ship the item back to us. The item must be returned in its original condition, including all accompanying documents, certificates, and packaging materials. The buyer is responsible for covering the shipping costs and insurance for the return shipment.
This is a mumei katana attributed to Tametsugu, a distinguished swordsmith of the Nanbokucho period. It exhibits classic Soshu traits with a powerful notare hamon, chikei, and nie-rich jihada, reflecting the influence of Go Yoshihiro and Norishige. The blade comes with a rare and elegantly crafted Ryaku-tachi Koshirae.
NihontoWatchsuriage-mumei · Soshu · Nanbokucho · nagasa 69.4cm · sori 2cm
Mino (Hokurikudo Soshu-den, the Norishige line) · Mino · around 1345-1350
2 pieces on the market now
Tametsugu signed his blades Noshu-ju Fujiwara Tametsugu, and that inscription is the key to him. He is transmitted as a pupil of Go Norishige of Gofuku-go in Etchu, in some accounts a son of Go Yoshihiro, who carried the Soshu tradition out of the Hokurikudo and settled in Mino. The published sources are careful with the link: among his extant works there are signatures naming both Echizen and Mino, the published commentary noting that "there are inscriptions for both Echizen and Mino"[[c:1]], while no example at all reads as resident in Etchu, the judges observing that "there is none signed Etchu-ju"[[c:2]]. Because his dated pieces fall in the Joji and Oan years of the later Nanbokucho, two generations below Norishige's late-Kamakura work, the swordbooks treat the Norishige discipleship as a manner received across a generation rather than a bond made at one forge, and find a direct link to Norishige, or to Yoshihiro, hard to sustain on chronology. He is best understood as the Soshu tradition carried north and inland, a Norishige hand resettled among the smiths of Mino.
His characteristic manner is the one the judges name outright: a Norishige-style forging crossed with a Mino temper. The published commentary states it plainly, that his work shows "a Norishige-style forging on which is tempered a Mino-style gunome and pointed togariba, displaying a manner of its own"[[c:3]]. Over a standing itame he sets a notare mixed with gunome into which the pointed togariba of Mino are folded, the nie strong and deep, and above all the sunagashi run with a frequency that is his signature, drawn out long with kinsuji within them. The nioiguchi does not blaze; it tends to subside, a quiet, restrained line, and the steel beneath it darkens. This combination, the wet Norishige notare given the sharp Mino tooth and laid over a dark, nie-laden ji, is what a Tametsugu reads as on sight.
The jigane is the constant. It is itame, frequently mixed with mokume and large grain and flowing toward masame in places, the grain standing and at times opening, with thick ji-nie and chikei entering, and a steel of distinctly northern cast that darkens in tone. The published sources give as the common thread of his authenticated work an itame "that stands and darkens"[[c:4]], a nie-based temper whose nioiguchi subsides, and, as a negative tell, the fact that "there is no suguha"[[c:5]] among the mainstream pieces. Over that jigane the hamon is most often a shallow notare carrying gunome and togariba, with ashi and yo, tobiyaki and yubashiri at the edge on the more active blades; the boshi runs midare-komi with frequent hakikake, turning in a ko-maru or, on the many shortened naginata-naoshi, finishing in a yakizume sweep.
His record divides cleanly into two registers. The great body of it is the o-suriage, unsigned katana attributed to him from style, broad Nanbokucho blades with extended or large kissaki, on which the Norishige character is clearest. Against these stand the rare signed and dated pieces, exceedingly few, headed by an Oan-dated tanto that is a prewar Juyo Bijutsuhin, with a shobu-zukuri naginata-naoshi tachi dated Oan 7 (1374) and an ubu tachi cut Fujiwara Tametsugu saku. The published sources draw the contrast within his own work, noting that the Mino flavor runs the stronger in the signed pieces while the Norishige manner shows more clearly in the mumei attributions, and adding the candid judgment that the signed work can run somewhat coarse while "among the unsigned attributions there are, on the contrary, examples of quite good workmanship"[[c:6]].
What sets him apart is read off his own blades, not borrowed from his master. His is the larger, more billowing notare-midare, and the published commentary distinguishes him from the other Mino Soshu hands by it directly, holding that his work "differs in manner from Shizu and Kaneshige"[[c:7]]. Beside Norishige himself the difference is one of degree and clarity: his hada does not stand as strongly and his chikei are the fewer, the judges remarking on one blade that "the chikei are less conspicuous than in his master Norishige"[[c:8]], and his steel darkens where the Sagami masters' is bright. The breadth of his manner reaches occasionally into other idioms, one shortened katana judged "workmanship in the Yamato Shikkake manner"[[c:9]], a reminder that the provincial Soshu-den he practiced absorbed more than a single line.
For the collector Tametsugu is a Nanbokucho name encountered almost entirely through attribution. He has no National Treasures and no Important Cultural Properties; his record runs instead through the prewar Juyo Bijutsuhin and a long roll of Juyo blades across many sessions, the signed and dated pieces, the documentary core of the name, being the rarest of all. The published sources hold those few signed works to be of exceptionally high value precisely because so little survives, and longer signed examples are scarcer still. Owner records are thin: a pair of his blades is preserved at Atsuta Jingu, the Oan tanto passed through the prewar collection of Akaboshi Tetsuma, and most current whereabouts go unrecorded. The mumei katana attributed to him do reach the market from time to time, a den-Tametsugu appearing among Juyo Soshu-den blades with some regularity, but a signed and dated Noshu-ju Fujiwara Tametsugu is a different order of thing, the document that fixes the name, and a privately held example is among the more uncommon encounters in the field. One such mumei katana the published commentary calls outright "a quintessential example of Tametsugu's work"[[c:10]], which is the best a collector can realistically hope to meet.
Where Tametsugu stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
Select a lens to see how it's measured.
Soshu-den · Sagami
Phase: Sōshū相州· 1288–1385
44 pieces on the market now
Steel "bright and clear," with thick ji-nie and chikei entering frequently, is the constant the NBTHK returns to in nearly every blade of this phase, and it marks the moment the Soshu tradition reached its summit in Sagami. " The sampled blades cluster around the masters who carried this manner forward: Go Yoshihiro of Matsukura-go in Etchu, counted among the Masamune Juttetsu and represented here by numerous ō-suriage katana, and the Sagami smiths Hiromitsu and Akihiro, who stand "next after Sadamune" and extend the phase with dated works running from Enbun 2 (1357) to Shitoku 4 (1387). The window spans late Kamakura proportions through the broad Enbun-Joji forms of the fourteenth century. The phase reads as itame-hada mixed with mokume, often tending toward standing or flowing grain, carrying very fine ji-nie laid thickly with chikei threaded densely throughout; over this the hamon is founded on notare mixed with gunome, ko-gunome, and a chōji flavor, with deep nioi, thick nie, and kinsuji and sunagashi running well, the nioiguchi bright and clear. This is precisely the distance the school traveled from its Awataguchi roots: where that foundation held a tight, restrained suguha, the Go katana break into wide yakihaba, nie-kuzure, and yubashiri (one setsumei records nie that "gathers, thickens, and congeals"), with a bōshi tempered so deeply it becomes ichimai and sweeps in hakikake. Go himself sits one step calmer than Masamune and Norishige, his chikei and kinsuji more reserved but his ji and ha a step brighter, the hada often masame-inclined; one wide-suguha example with ko-midare shows how close the quiet end of his range stays to the Kunimitsu manner.
" Here the classic phase divides from the later Sue-Soshu continuation, whose Muromachi smiths inherited the vocabulary without the depth of nie and clarity of steel recorded in these blades. A collector separates this phase because it holds the recognized masters at full strength. Go achieved the highest designation through the unmistakable brightness of his ji-ha alone, despite no surviving signed works, and the sample carries the weight of that reputation: the meibutsu Nakagawa-Go owned by a retainer of Oda Nobunaga and later the Tokugawa house, the "Kabuto-giri" Go inlaid by Hon'ami appraisal, the Okubo-Go transmitted in the Odawara Okubo family, and blades held by the Uwajima Date and Chikuzen Kuroda houses, with names recorded in the Kyoho Meibutsu-cho. The kantei points are concrete and repeated: Go's active nie-ashi, masame tendency, and ichimai bōshi; Akihiro's dated five-character "Soshu Akihiro" signatures, whose shift from full to abbreviated dating after Eiwa lets a viewer place a blade in time; and the near-indistinguishability of Hiromitsu and Akihiro, parsed only by scale and the prominence of dango-chōji. These are the works that define the Soshu apex, against which both the Awataguchi foundation and the Sue-Soshu aftermath are measured. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Masamune正宗 | 1288-1293 | 84 |
| Sadamune貞宗 | 1329-1331 | 86 |
| Go Yoshihiro義弘 | 1299-1302 | 54 |
| Akihiro秋廣 | 1346-1370 | 27 |
| Kunimitsu國光 | 1293-1322 | 69 |
Kamakura fell in 1333, but the school’s greatest era followed: Sadamune working at his teacher’s standard, Hiromitsu and Akihiro spilling hitatsura over the whole blade, and the Sōshū manner spreading with the armies until it became, for a time, a national style.
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 12,307 (about 1 in 203) 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 siteTo facilitate this, we offer a three-day inspection period. To initiate a return, you must notify us within three days of the package being delivered. Once we confirm your request, you have seven days to ship the item back to us. The item must be returned in its original condition, including all accompanying documents, certificates, and packaging materials. The buyer is responsible for covering the shipping costs and insurance for the return shipment.
