江戸は刀の目利きの時代である。本阿弥の鑑定、1719年の享保名物帳、盛んな刀剣書が、戦で抜かれることのなくなった刀を学問の対象へと変えていった。
NihontoWatchNihontoWatchHizenkoku Saga Jyu Minamoto Tanehiro(肥前國佐賀住源種廣) is a Japanese swordsmith who forged swords in Hizen province in Saga prefecture, located in Kyushu island. Tanehiro might have had interaction with Tadayoshi school, one of the most prestigious schools in Hizen Province, based on his style. Tadayoshi school worked for the Nabeshima clan and lasted for generations. They prospered by having more than 100 swordsmiths through the Edo Period.The swords produced in Hizen province are called Hizen-To, which is famous for its beauty in Jigane. (Visible surface pattern on the steel) This sword has a Tokubetsu Hozon certificate issued by NBTHK. This authentication paper was only given to Japanese swords, especially worth preserving by Nihon Bijutsu Touken Hozon Kyokai(the Society for the Preservation of the Japan Art Sword). Hamon The blade pattern created by the tempering process. It has Suguha(straight hamon) pattern. Jimon Visible surface pattern on the steel Nakago It has a signature that is inscribed 肥前國佐賀住源種廣(Hizenkoku Saga Jyu Minamoto Tanehiro). Fuchi-Kashira Gold inlay was applied on them. The plant pattern is designed. These leaves might be Aoi (hollyhock). Aoi pattern is also called Kamo-Aoi; it is used for the crest of the Kamo shrine in Kyoto prefecture. This plant once grew up on the back of the Kamo shrine, and it is considered Aoi is a good luck grass which would bring divine protection. Tokugawa family was Ujiko (Shinto-shrine parishioner) of the Kamo shrine and used Aoi pattern for their family crest. “Mitsuba Aoi Mon” is one of the most famous family crests in Japan. Tsuka and Menuki Tsuka is coiled with Hishi-Maki technique, which is a general way to cover the Tsuka. Menuki is decorated with creature motifs. Because of their long and narrow body shapes, they might be dragons or lions. Sacred beasts have been appreciated to design for sword mountings because of their mystical powers. Tsuba and Habaki Iron Tsuba with Kozuka and Kougai holes. Ichou (ginkgo, maidenhair tree) pattern is engraved with Sukashi-Bori (openwork) technique. Ichou grows straight up to the sky and becomes a huge tree. It contains lots of water and secure against fire, and has a strong vitality that would not easily die even if it is burnt in flames. So, Ichou has a stable life, and it lives for a long time. Because of its nature, Ichou pattern has been treated like a good luck design. Also, as its name “Ichou (銀杏)” has the same pronunciation with another word “Ichou (異朝),” it is said this plant pattern represents the delight to welcome honored guests. Authentication Paper They authenticated the blade on Feb 2nd in the 29th year of Heisei(2017). They appraised it as Tokubetsu Hozon Touken, the blade especially worth preserving for Japanese society.
販売店の記載のまま
肥前 · 1624-1644頃
種廣の位置づけを、日本刀全体および伝法・時代・時期ごとに示します。各区分（随一・屈指・有数・著名）は、NBTHK および文化庁による指定に加え、三作や名物帳などの歴史的栄誉を加味したものです。
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江戸時代
江戸は刀の目利きの時代である。本阿弥の鑑定、1719年の享保名物帳、盛んな刀剣書が、戦で抜かれることのなくなった刀を学問の対象へと変えていった。
保存刀剣のうち、出来が一層優れ、保存状態も良好と認められたものです。再刃や、室町・江戸期の多くの無銘作は対象外となり、保存刀剣より高い基準が課されます。
日本美術刀剣保存協会（NBTHK）は、1948年に設立され、文化庁の監督を受ける公益財団法人で、東京・刀剣博物館に本部を置きます。専門の審査員が出品作を直接審査し、美術的・歴史的価値に応じた鑑定書を発行します。NBTHKの鑑定書は、日本刀および刀装具の真正性を示す最も広く認知された基準です。
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