The divided-courts war impoverished the court society that had sustained Kyōto’s most refined work. With the last Rai masters the classic line effectively closed, while Hasebe and Nobukuni carried the new Sōshū manner into the capital.
NihontoWatchNihontoWatch出ました出ました古来鎌倉中期徳治頃（1306年）（720年前）備中片山一文字の刀として伝わった名刀ですが、今回の保存刀剣の鑑定では、南北朝時代文和頃の（1352年）（674年前）山城来国行の系統の無銘千代鶴守弘の刀に鑑定されています。時は足利尊氏が南朝との戦いでの戦功を武士を優遇したいと言うのと公家を第一に優遇したい実弟の足利直義が争った観応の乱の後の頃、千代鶴守弘の元は山城来国安が越前に移住したと言われています。本刀の元は2尺5寸あった太刀を大すりあげした為に無銘になった刀で、姿は元身幅と先身幅の差の有る上品な刀姿を現し、御覧のように良くは見えませんが地金は板目肌に鍛え電気に透かすと地には乱れ映りを多く見事に現し、彫りは棒樋を彫り上手です、刃紋は匂い出来に小沸の付いた直調の刃に互の目を交え刃中の働きが素晴らしく備中片山一文字の刀でも良く、良く出来ています、この度古いお家の方より白鞘に書かれているように古極め備中国片山一文字の名刀として伝わった刀ですが自分達も年を取りましたので大切にして頂ける方にお安くお譲り下さいとお預かりした為に、姿形は鎌倉時代の姿をしていますので良い研ぎをかければ備中片山一文字として伝わった刀に変更されるかもしれませんが、この度特別に超格安にてご提供いたします是非お楽しみ下さいませ。
Certificate reading — 無銘（千代鶴守弘）
NihontoWatchOffered by Nipponto
9 on the market
As written by the shop
(Translation unavailable)
Yamashiro-den · Echizen · around 1394-1428
Tōken Taikan top 21%
1 piece on the market now
Where Morihiro 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.
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Yamashiro-den · Echizen
9 pieces on the market now
The Chiyozuru lineage took root in Echizen Province during the Nanbokuchō period, and the setsumei consistently trace its origin to Rai Kuniyasu (来国安). He is said to have been born in Yamashiro Province, with one tradition holding him a grandson of Rai Kunisue; he later moved to Echizen, where the meikan place him around the Jōji and Sadaji eras (ca. 1362 to 1368). A parallel tradition, recorded on the signed tachi attributed to Morihiro, names Chiyozuru Kuniyasu[[c:1]] as a disciple of Rai Kuniyasu and the founder of the line. From this root descend the smiths the blades document: Morihiro (守弘), placed in the Kuniyasu line across two generations, the first set in the Ōei era (1394 to 1428) and the second in the Kakitsu (1441 to 1444) and Bun'an (1444 to 1449) eras; and Mitsuyuki of Tsuruga[[c:2]], recorded as a student of Echizen Kuniyuki and known from a rare Kakei-dated tantō. The Yamashiro inheritance runs through the whole group, even as the workmanship moves away from the Kyoto homeland into a provincial Hokuriku register. Two stylistic strands run through the corpus, and recognizing the hand means reading where a given blade falls between them. The Rai-derived work, seen in the katana attributed to Rai Kuniyasu, shows itame mixed with mokume and nagare-hada, the grain tending to stand (hada-dachi) with thick ji-nie and frequent chikei; the steel carries a whitish or, in places, slightly blackish cast that the setsumei read as a provincial inflection of Yamashiro.
The hamon on these is a chū-suguha mixed with ko-gunome, the edge breaking into hotsure, kuichigai-ba, and nijūba, with ashi, yō, kinsuji, and sunagashi running through and a bright nioiguchi; the bōshi enters midare-komi or shallow notare-komi, turning in ko-maru with hakikake, at times vigorous enough to give a flame-like (kaen) impression. The Morihiro strand turns toward a gunome-based midareba with a chōji tendency, tobiyaki, and muneyaki, the forging moving toward masame near the edge; the setsumei mark this gunome-toned, nie-laden manner as differing in character from the Rai style and proper to the later line. For kantei, the setsumei set the diagnostic problem plainly: a Chiyozuru blade can at first glance resemble the orthodox Yamashiro Rai work, particularly around Rai Kunimitsu, yet careful reading of the standing grain, the whitish or blackish jigane, and the rustic activity in the bōshi beyond what the Kyoto homeland shows directs the attribution to Echizen. The boldest Nanbokuchō pieces, wide in mihaba with ō-kissaki and muneyaki, invite comparison with Hokuriku contemporaries such as Etchū Tametsugu (越中為継), but the character of ji and ha keeps them within the Chiyozuru fold. Signed examples anchor the line: Morihiro tachi and a Kakitsu 1 (1441) dated wakizashi carrying his Tōzaemon no Jō name, and the Mitsuyuki tantō whose Kakei date makes it documentary material of high value, dated works of the group being extremely scarce. The Morihiro tachi of Jūyō-Bijutsuhin standing is recorded in the Kōzan Oshigata, Kokon Kajibikō, and Kantō Zuiroku. Across the corpus the line holds a distinct place among Nanbokuchō and early Muromachi Hokuriku smiths, carrying a Yamashiro pedigree into a workmanship the appraisers read as its own. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kuniyasu國安 | 1345-1350 | 4 |
| Ieyoshi家善 | 1487-1489 | 0 |
| Kagemori景守 | 1394-1428 | 0 |
| Munemitsu宗光 | 1441-1444 | 0 |
| Iemasa家正 | 1492-1501 | 0 |
Yamashiro in the Nanbokuchō period
The divided-courts war impoverished the court society that had sustained Kyōto’s most refined work. With the last Rai masters the classic line effectively closed, while Hasebe and Nobukuni carried the new Sōshū manner into the capital.
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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