{"id":28723,"date":"2025-10-15T13:03:46","date_gmt":"2025-10-15T04:03:46","guid":{"rendered":"https:\/\/sword-auction.com\/?post_type=product&#038;p=28723"},"modified":"2025-10-15T13:03:46","modified_gmt":"2025-10-15T04:03:46","slug":"as18474-katananagasone-okisato-nyudo-partially-cut-kotetsunbthk-hozon-paper","status":"publish","type":"product","link":"https:\/\/sword-auction.com\/en\/product\/28723\/as18474-katananagasone-okisato-nyudo-partially-cut-kotetsunbthk-hozon-paper\/","title":{"rendered":"AS18474  Katana:Nagasone Okisato Ny\u016bd\u014d (partially cut) Kotetsu(NBTHK Hozon Paper)"},"content":{"rendered":"<p>Ordering number:AS18474<\/p>\n<p>Katana in Shirasaya (NBTHK Hozon Paper)<\/p>\n<p>Signature :Nagasone Okisato Ny\u016bd\u014d (partially cut) Kotetsu<br \/>\n\u9577\u66fd\u7962\u8208\u91cc\u5165\u9053\uff08\u4ee5\u4e0b\u5207\u308c\uff09\u864e\u5fb9<br \/>\n\u3000\u3000\u3000\u3000<br \/>\nShinto:Saijyo-saku:Saijyo oowazamono cutting test ranking.<br \/>\n(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)<br \/>\nThis sword belongs to Jyo-Jyo saku ranking.<br \/>\nThe blade was polished.<br \/>\nHabaki :silver single habaki.<br \/>\nBlade length :\u300065.4\u3000cm or 25.74 inches.<br \/>\nSori :1.2cm or 0.47 inches.<br \/>\nMekugi : \u30004<br \/>\nWidth at the hamachi : 2.90 cm or 1.14 inches.<br \/>\nWidth at the Kissaki : 1.83cm or 0.72 inches.<br \/>\nKasane : 0.58cm or 0.22 inches.<br \/>\nSword Weight: 550 g<br \/>\nEra : Edo period Kanbun era.<br \/>\nShape : The blade is about 5cm Suriage and Machiokuri.<br \/>\nThe blade is regular width, thickness<br \/>\nwith small sori and regular kissaki Kanbun shape.<br \/>\nJigane :Koitame hada well grained with jinie attach beautiful top quality jigane.<br \/>\nHamon :Niedeki suguha notare with asi and sunagashi, small kinsuji work.<br \/>\nBoshi is notare round shape.<\/p>\n<p>Special feature:Nagasone Kotetu was working at Echizen prrovince for<br \/>\nmaking Yoroi and Kabuto. his made Kabuto is very strong<br \/>\nand well grained jigane and achieved high evaluation. But after the<br \/>\nwar end, it is very hard to make continue hiss business, so he moved<br \/>\nto Edo and decided to make swords at age 50. He was called Sano no<br \/>\njyo and named Kotetsu Japanese Kanji \u53e4\u9244\u3000old iron)From Meireki 2nd<br \/>\nto Enpo era, he named Kotetsu.<br \/>\nHis sword is quite well grained jigane and bright round shape gunome<br \/>\nmidare hamon which is called Jyuzu ba. In his subjects,<br \/>\nthe most highest ranking swords are Nagasone Okisato signature.<\/p>\n<p>From Aoi Bijyutsu: Nagasono Kotetsu started old age for making swords so his swords are very few at present.  Many swords collectors aspire his sword.Special feature of Kotetu is beautiful Jigane and bright and clear hamon (akaruku saeru  in Japanese)  At many yeaars ago I saw Kotetsu at London&#8217;s Auction the blade is cutting test on the back and bright beautiful jigane  even right now I remember.<br \/>\nAs you know Kondo Isamu chief of the Shinsengumi loved Kotetsu cuto well sword.  It is a mystery  why his sword is sharp even thou his starting making sword is 50 years of age.<br \/>\nProbably his previous work making Kabuto helped a lot I think.<\/p>\n<p>NBTHK Hozon paper.<br \/>\nAoi Art estimation paper:\u3000whole Oshigata.<\/p>\n<p><a href=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474-2.jpg\"><img decoding=\"async\" src=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474-2.jpg\" alt=\"\" width=\"30%\" height=\"30%\" \/><\/a> <a href=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474-3.jpg\"><img decoding=\"async\" src=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474-3.jpg\" alt=\"\" width=\"30%\" height=\"30%\" \/><\/a> <a href=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474-4.jpg\"><img decoding=\"async\" src=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474-4.jpg\" alt=\"\" width=\"30%\" height=\"30%\" \/><\/a><br \/>\n<a href=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474paper-1.jpg\"><img decoding=\"async\" src=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474paper-1.jpg\" alt=\"\" width=\"80%\" height=\"80%\" \/><\/a><a href=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474paper-2.jpg\"><img decoding=\"async\" src=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474paper-2.jpg\" alt=\"\" width=\"40%\" height=\"40%\" \/><\/a><br \/>\n<a href=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474sayagaki.jpg\"><img decoding=\"async\" src=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474sayagaki.jpg\" alt=\"\" width=\u201c40%\" height=\u201c40%\" \/><\/a><br \/>\n<a href=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474_p.jpg\"><img decoding=\"async\" src=\"https:\/\/www.aoijapan.com\/img\/sword\/2018\/18474_p.jpg\" alt=\"\" width=\u201c70%\" height=\u201c70%\" \/><\/a\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ordering number:AS18474 Katana in Shirasaya (NBTHK Hozon Paper) Signature :Nagasone Okisato Ny\u016bd\u014d (partially cut) Kotetsu \u9577\u66fd\u7962\u8208\u91cc\u5165\u9053\uff08\u4ee5\u4e0b\u5207\u308c\uff09\u864e\u5fb9 \u3000\u3000\u3000\u3000 Shinto:Saijyo-saku:Saijyo oowazamono cutting test ranking. (We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku) This sword belongs to Jyo-Jyo saku ranking. The blade was polished. Habaki :silver single habaki. Blade [&#8230;]\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-28723","product","type-product","status-publish","hentry","product_cat-katana-en","product_cat-sword-en"],"_links":{"self":[{"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/product\/28723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/media?parent=28723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}