{"id":29721,"date":"2026-01-06T15:35:46","date_gmt":"2026-01-06T06:35:46","guid":{"rendered":"https:\/\/sword-auction.com\/product\/29721\/as25623-%e5%88%80%ef%bc%9a%e5%82%99%e5%89%8d%e5%9b%bd%e4%bd%8f%e9%95%b7%e2%97%bb%ef%b8%8e%e7%a5%90%e5%ae%9a%e7%84%a1%e4%bf%9d%e8%a8%bc-%e6%b0%b8%e6%ad%a3%e5%8d%81%e5%b9%b4%e5%85%ab%e6%9c%88\/"},"modified":"2026-01-06T15:36:16","modified_gmt":"2026-01-06T06:36:16","slug":"as25623-%e5%88%80%ef%bc%9a%e5%82%99%e5%89%8d%e5%9b%bd%e4%bd%8f%e9%95%b7%e2%97%bb%ef%b8%8e%e7%a5%90%e5%ae%9a%e7%84%a1%e4%bf%9d%e8%a8%bc-%e6%b0%b8%e6%ad%a3%e5%8d%81%e5%b9%b4%e5%85%ab%e6%9c%88","status":"publish","type":"product","link":"https:\/\/sword-auction.com\/en\/product\/29721\/as25623-%e5%88%80%ef%bc%9a%e5%82%99%e5%89%8d%e5%9b%bd%e4%bd%8f%e9%95%b7%e2%97%bb%ef%b8%8e%e7%a5%90%e5%ae%9a%e7%84%a1%e4%bf%9d%e8%a8%bc-%e6%b0%b8%e6%ad%a3%e5%8d%81%e5%b9%b4%e5%85%ab%e6%9c%88\/","title":{"rendered":"AS25623 Katana:: Bizen Koku Ju Osafune Sukesada (Not Guaranteed) Dated: August, 1513 (Eisho 10)(NBTHK Tokubetsu Kicho Token)(Koshirae: NBTHK Hozon Tosogu)"},"content":{"rendered":"

Ordering number:AS25623<\/p>\n

Katana in Shirasaya with Koshirae (NBTHK Tokubetsu Kicho Token)(Koshirae: NBTHK Hozon Tosogu)<\/p>\n

Signature: Bizen Koku Ju Osafune Sukesada (Not Guaranteed)
\nDated: August, 1513 (Eisho 10)
\n\u5099\u524d\u56fd\u4f4f\u9577\u25fb\ufe0e\u7950\u5b9a(\u7121\u4fdd\u8a3c)
\n\u6c38\u6b63\u5341\u5e74\u516b\u6708\u5409\u65e5<\/p>\n

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
\nThis sword is ranked as Jyo Saku for works byOsafune Sukesada (Not Guaranteed).
\nHabaki: Single-layered gold-covered
\nBlade Length: 69.3 cm (27.28 in)
\nCurvature: 2.2 cm (0.87 in)
\nMekugi Hole: 3
\nWidth at Base (Motohaba): 2.84 cm (1.12 in)
\nWidth at Tip (Sakihaba): 1.72 cm (0.68 in)
\nThickness of Rim (Kasane): 0.71 cm (0.28 in)
\nSword Weight: 600 g
\nEra: Late Muromachi period
\nShape: Slightly wide blade with bo-hi carved on both sides, long kissaki, and deep curvature.
\nJigane: Well-forged ko-itame hada with visible utsuri. The boshi shows midare-komi.
\nHamon: Ko-nie deki in gunome-midare pattern. Slight hardness is felt overall, and the irregularities within the boshi feel slightly inconsistent.<\/p>\n

Features: Although the workmanship and signature appear well-executed, it is difficult to consider this sword as genuine.
\nNevertheless, it is a finely made piece.
\nThe koshirae comes with a NBTHK Hozon Tosogu certificate.<\/p>\n

Koshirae: Tachi-style mountings
\nTsuba: Iron tsuba with \u201cshigure-mon\u201d (autumn drizzle pattern) design.
\nFittings: Ishime-ji (stone surface pattern) metalwork throughout.
\nSaya (Scabbard): Gold lacquered, wrinkled leather-covered saya with inro-style carved design.<\/p>\n

NBTHK Tokubetsu Kicho Token
\nKoshirae: NBTHK Hozon Tosogu
\nAoi Art estimation paper: Whole Oshigata<\/p>\n

Auction Starting Price:700,000JPY<\/a>
\n<\/p>\n

Place Bid<\/h3>\n

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Ordering number:AS25623 Katana in Shirasaya with Koshirae (NBTHK Tokubetsu Kicho Token)(Koshirae: NBTHK Hozon Tosogu) Signature: Bizen Koku Ju Osafune Sukesada (Not Guaranteed) Dated: August, 1513 (Eisho 10) \u5099\u524d\u56fd\u4f4f\u9577\u25fb\ufe0e\u7950\u5b9a(\u7121\u4fdd\u8a3c) \u6c38\u6b63\u5341\u5e74\u516b\u6708\u5409\u65e5 We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku. This sword is ranked as Jyo Saku for works […]\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-29721","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\/29721","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=29721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}