説明

Antique Japanese Sword Tanto Signed by Shigezane with NTHK Hozon Certificate 【Description】 This blade was signed by Bizen koku Osafune ju Shigezane (備前国長船住重真), who was active during the Shochu-Enbun era (1324-1359: The end Kamakura-Mid Nanbokucho period) in Bizen province (today’s Okayama prefecture). The back of the singature says that the blade was forged during the Shochu era (1324-1326). He belonged to Hatakeda Mori schoo, a branch of Osafune (長船) school. It is said that Shigezane was an apprentice of Kagemitsu and the younger brother of Motoshige, who was one of the most prominent figures in the school during that time. According to one theory, Shigezane later became an apprentice of Soshu Sadamune. When Shigezane was active in the Nanbokucho period, Japan was tumultuous because the imperial court was split into two sides(south and north). There were many conflicts, and many Samurai were deployed. We assume he must have dedicated himself to forging high-quality blades for those Samurai who fought in battles. It is said that Osafune school was founded by Mitsutada (光忠), who was active during the mid-Kamakura period. Bizen Osafune school was the biggest one of all other schools in Bizen province, and they received many orders from feudal lords or renowned Samurai. They were called Osafunemono and beloved by Samurai warriors. Among the swordsmiths who belonged to this school, Nagamitsu, Sanenaga, and Kagemitsu are known as Osafune Sansaku, the three renowned Osafune swordsmiths. There are also four other prominent swordsmiths who were from Bizen Osafune school. They are called Osafune Shiten-no, the four masters of Osafune school. Their names are Nagamitsu, Kanemitsu, Nagayoshi, and Motoshige. BIZEN is located near the Chugoku Mountains, where iron sands, one of the essential materials for making Japanese swords, were abundant. Furthermore, BIZEN swordsmiths had close access to Yoshi River, where they could find water and charcoal. This geological location contributed to the swordsmiths forging high-quality refined blades. We presume BIZEN was quite active in sword-forging from ancient times. It is said that BIZEN DEN was created by groups of swordsmiths there during the late Heian era (Late 12th century ). These ancient swordsmiths in Bizen province are called Ko-Bizen (Old Bizen) swordsmiths. By inheriting the sword forging techniques from Ko-Bizen swordsmiths, the Bizen Osafune school flourished from the mid-Kamakura period. *Please keep in mind that there is a couple of Kitae Kizu on blade. If you like to see the detailed condition, please feel free to contact us. 【Blade】 Cutting Edge Length (Nagasa) : 25.0 cm (9.84 inches) Curvature (Sori) : 0.1 cm (0.04 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. Kissaki : Kissaki is the tip of the Japanese sword. Nakago : Nakago is the tang of the Japanese sword. Japanese swordsmiths left the black rust on the tang because it prevents red rust while the tang is in its handle. And the discoloration of the tang was created over time, and it is a great indicator for a Japanese sword specialist to estimate when the sword was forged. 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. The theme of this Fuchi-Kashira is the Aoi-Karakusa (葵唐草). Aoi (Asarum caulescens, 葵) is a plant pattern in which each stem branches and has characteristic heart-shaped leaves. As its leaves have a habit of always facing the sun, and the word “Aoi” is taken as “Aogu (仰ぐ, looking up)” for the sun, people thought the Aoi pattern would bring good fortune. Karakusa (Arabesque) is a pattern in which stems and lea

Antique Japanese Sword Tanto Signed by Shigezane NBTHK Hozon Certificate
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Antique Japanese Sword Tanto Signed by Shigezane NBTHK Hozon Certificate

短刀

売却済

世界81社の刀剣商を横断追跡 · 価格履歴 · 売却アーカイブ

仕様

長さ

25 cm

反り

0.1 cm

作者について

Osafune Shigezane重眞

1 特別重要刀剣44 重要刀剣

重眞は備前長船元重一派の刀工で、鎌倉時代の末から南北朝にかけて活躍し、現存最古の年紀作は嘉暦二年(一三二七)の寸延びの短刀、最も新しいものは南北朝の延文四年に及び、その間は記録の上で三十三年に亘る。説明書は古来本工を初代元重の弟、あるいは一説に門人と伝え、その手を長船後期の相伝備前のうちに置く。古備前の華やかな丁子ではなく、より静かで角ばった元重一派の手であり、説明書はこれを元重に近似し青江気質を混じえた出来と読む。有銘確実な作は極めて少なく、その名で残るものの多くは、銘ではなく体配と刃文の構造から極められている。 最もその作を分かつのは刃文である。直刃調を基調として角張る互の目を焼き、福岡の丸い丁子ではなく元重一派と読む角ばった肩を見せ、これに一派の構造的な見どころたる片落互の目、すなわち区側へ傾く非対称の鋸歯状の刃が連れる。刃文はしばしば逆がかり、その中へ足・葉が入り、小沸つき、細かに砂流し・金筋がかかる。匂口は沈みごころとなり、その静かにやや沈んだ匂口こそ、説明書が繰り返し元重の手の徴として挙げるところである。帽子は乱れ込んで尖って返り、あるいは小丸・焼詰めとなる。 地鉄は、刃文だけなら相伝と読める時にも極めを備前に留める。板目を鍛え、多く流れ肌を交えて杢や地斑をまじえ、地沸厚く地景入り、肌はやや立つ。その上に古備前の明るい乱れ映りが鮮明に立ち、時に刃寄りに淡い棒映りを見せる。最上の作の地鉄は青黒い色調に冷たい冴えをみせ、匂口明るく刃中の働きに富み、処々に荒目の沸が強くきらめく。 その記録は三つの面に分かれる。本流は説明書が元重に近似と読む直刃調・角張る互の目の作で、多くの大磨上無銘の極めを支える手である。これに対して稀な例外が、延文三年紀の生ぶ茎在銘の太刀で、説明書はその出来を「作風は元重風ではなく」と記し、物打に尖り互の目を交えた率直な丁子乱れに開く。第三の面は現存作の大半をなす大磨上無銘の刀で、元来三尺に余る大太刀が少なくなく、身幅広く反り浅い南北朝の姿をとる。説明書は元重同様この間に初・二代の存在を認め、二字太銘を初代、小銘に「左兵衛尉重真」と切る銘振りを二代とする説を挙げるが、なお向後の検討に俟つとする。 長船後期にあって本工を分かつのは、まさに極めの言うところである。角張る互の目と片落互の目、逆がかる刃文と沈みごころの匂口、肌立った板目の上の明るい乱れ映りは、本工を元重とともに置き、福岡・吉岡のより丸く華やかな備前から分かつ。一方で説明書はその鍛えに青江を取り込んだ手を読み、その出来を「青江気質を混在させた出来口」と評する。本工と極められた無銘の刀について説明書は「雲類、近景」などの見方もあり得るとしつつ、体配と地刃の子細を詳細に見て重眞に絞り、乱れ映りが鮮明に立って備前は動かずと記す。 収集の観点では、重眞は稀な在銘の名である。藤代の極めは上々作で、その記録は国宝・重要文化財ではなく、一口の特別重要刀剣と多くの重要刀剣、両級併せて四十五口を通じている。最上の作の価値はその資料性にある。折返しの長銘を残し「同工の代表作」と称された特別重要刀剣の刀、現存最古の年紀をもち本工研究の足がかりとなる嘉暦二年の短刀、そして「薙刀のままで現存した貴重な作」と評され当初の姿を留めた薙刀である。所在の知れるもののうち数口は公の機関に収まり、林原美術館や備前長船刀剣博物館がこれを蔵し、作の伝来は大名家・旧家を経て、松平右近将監輝貞と高崎藩松平家、また丹羽家から徳川慶喜へと及ぶ。在銘の重眞が世に出ることは稀であり、私蔵の一口、ことに生ぶや年紀のあるものは収集家にとって注目すべきもの、元重の手がいかに備前を南北朝へ運んだかを語る証である。

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