説明

Antique Japanese Sword Katana attributed to Sue-Hosho with Hozon Certificate 【Description】 Summary This blade was attributed to Sue-Hosho (末保昌) by NBTHK, one of Japan’s most reputable Japanese sword appraising organizations. Hosho is the school that flourished during the late Kamakura-early Muromachi period (early14th-early 15th century). In Japanese sword terminology, when the appraisal is given as Hosho (保昌), they are attributed to the ones made during the late Kamakura-Nanbokucho era (early-Late 14th century). And those made during the early Muromachi period are called Sue-Hosho (末保昌). Sue (末) means “end” in Japanese. Hosho school was founded by Sadamune (定宗) in the early 14th century in Yamato province (Today’s Nara prefecture). The prominent swordsmiths who belonged to this school were Sadayoshi(貞吉), Sadakiyo(貞清), and Sadaoki(貞興). The Hosho school was famous for creating blades with *Masame Hada, one kind of steel surface pattern that appeared on the Japanese sword. There were five prestigious schools, including Hosho school, during the Kamakura-early Muromachi period in Yamato province. They are called Yamato Goha(大和五派); Senjyuin(千手院), Shikkake (尻懸), Taima(当麻), Hosho(保昌) and Tegai(手掻) school. They served politically powerful monks and temples in Nara, such as Todaiji temples. They were initially forging swords for military monks who became powerful due to the government’s policy back then. Monks needed many weapons as there were many political rivalries between influential temples. They required strong weapons like swords to protect themselves. During this time, Hosho school or other Yamato sword schools met the requests from monks. They also forged blades for Samurai during their heyday. Yamato Den The swords forged in Yamato regions are famous for their beautiful Jigane, steel surface, and straight tempering line(Suguha). And, they invented the particular sword-forging tradition called YAMATO DEN. This blade has a beautiful Jigane with a Suguha tempering line, which shows an outstanding characteristic of the Yamato sword. The overall condition is excellent. Based on the shape of Nakago(Tang), it was shortened in the past. We assume its original length was much longer than it is now. Masame Hada Masame (柾目) means straight grain in Japanese. Masame Hada is the Japanese sword terminology for the Hada (steel surface pattern of the Japanese sword) that looks like straight grain when one cuts a tree in half. This kind of Hada is often seen in the works of Yamato Den swordsmiths like the Hoshou school. And it usually is combined with Itame Hada, another grain pattern that looks like wood-grain seen in the Japanese sword. You can see the mixture of Masame/Itame Hada from this blade. This blade 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). This authentication paper was only given to authentic Japanese swords, well preserved with artistic value. *Please keep in mind that there are a couple of visible Kitae Kizu on this blade. If you like to see the detail, please feel free to contact us. 【 Blade】 Cutting Edge Length(Nagasa) : 70.6 cm ( 27.8 inches) Curvature(Sori) : 1.66 cm (0.65 inches) Hamon : The crystalline structure which forms along the cutting edge of a blade as a result of the hardening process Jimon(Jihada) : visible steel surface pattern created by folding and hammering during forging process Nakago : Nakago is the tang of the Japanese sword. Koshirae: Koshirae is the mounting of the Japanese sword. There are several parts that consist of Koshirae such as Saya(Scabbard), Tsuka(Handle), Tsuba(Handguard). Fuchi-Kashira : A pair of matching sword fittings that cover the upper and bottom parts of its sword hilt. This Fuchi Kashira depicts a dragon running through rough waves. On the Kashira part, the wave pattern on the surface of the sea is engraved in an abstract design. And the plants are also sculpted to express the scenery of the waterside. Golden paint is effective

Antique Japanese Sword Katana attributed to Sue-Hosho NBTHK Hozon Certificate
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Antique Japanese Sword Katana attributed to Sue-Hosho NBTHK Hozon Certificate

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仕様

長さ

70.6 cm

反り

1.66 cm

流派について

Hosho School保昌派

2 特別重要刀剣53 重要刀剣

大和五派のうち、地鉄に総柾目を貫いたただ一門が保昌派である。その本拠は大和国高市郡、成立は鎌倉時代の末葉に置かれ、南北朝期へと続いた。古来寺院に付属して刀を鍛えた大和鍛冶の流れを汲み、同派の工は皆「貞」を通字とする。祖と仰がれるのは貞宗・貞吉で、両者は共に保昌五郎と称したと伝え、その下に貞清・貞興・貞光らが連なる。中にあって居住地と制作年紀を最も多く銘に記すのが貞吉であり、嘉暦三年紀の太刀に「大和国高市郡住」と切って活躍地・年代を明らかにする。貞清・貞興は貞宗あるいは貞吉に続く手とされ、現存する作はおおむね鎌倉末に収まる。 作風は一門を通じて均質で、まず地鉄に集約される。在銘・無銘を問わず総柾目肌を鍛え、柾が区より先まで通って棟へ抜け、地沸が厚くつき地景が頻りに入る。手掻・千手院・尻懸・当麻が柾がかった板目を鍛えるのに対し、保昌はこの純然たる総柾に徹し、説示も大和五派の中で最も作風の個性が顕著な一派と記す。刃文はその柾目に応じ、匂深く小沸のついた直刃を主とし、刃は地鉄と別に立つのではなく肌目にからんで頻りにほつれ、刃縁に喰違刃・二重刃・打のけを集め、金筋・砂流しがかかる。物打辺より上で焼幅が広がり一段と沸が強くつくのも一派の所作である。帽子は直ぐに掃きかけて焼詰めとなり、多くは返りを持たず、時に火焔風となる。茎には檜垣鑢をかけ先をぶっ切りとし、これも銘と並ぶ見どころをなす。工により振幅には差があり、貞吉の地刃は荒く沸が強く、やや時代の下る貞清・貞興の手は地刃ともに静かで精良に読まれる。短刀には小振りで重ねの厚い品のよいものが多い。 鑑定の勘所は何よりこの純然たる総柾目にあり、これによって同じ大和の手掻・千手院・尻懸・当麻と分かたれる。一門の諸工に際立った個性は見出しにくく、無銘作は個ではなく時代と作域から保昌と極められ、ゆえに在銘作では銘振りこそが工を分かつ。年紀と居住地まで記す貞吉が最も知り得る工で、藤代の極めでは最上作にあたり、貞清・貞興は二字銘や藤原を冠する四字銘を残すのみで年紀作を見ない。在銘作は短刀に多く、大磨上無銘の刀は後に金象嵌の極めを受け、埋忠家や本阿弥光一の銘を留めるものがある。伝来は大名家を貫き、肥後細川家を経た短刀をはじめ、毛利元康所持を記す大磨上の刀などが知られる。総柾目に徹したこの一門の作が市に現れることは稀で、ことに年紀ある貞吉の在銘作に接する機会は少ない。

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