{"id":28556,"date":"2025-10-02T14:39:17","date_gmt":"2025-10-02T05:39:17","guid":{"rendered":"https:\/\/sword-auction.com\/product\/28556\/as25218-%e5%88%80%e7%84%a1%e9%8a%98%e5%8f%a4%e5%ae%87%e5%a4%9a%e7%89%b9%e5%88%a5%e4%bf%9d%e5%ad%98%e5%88%80%e5%89%a3-%e3%83%bb%e4%bc%9d-%e7%82%ba%e7%b6%99%e7%89%b9%e5%88%a5%e8%b2%b4%e9%87%8d\/"},"modified":"2025-10-02T14:39:59","modified_gmt":"2025-10-02T05:39:59","slug":"as25218-%e5%88%80%e7%84%a1%e9%8a%98%e5%8f%a4%e5%ae%87%e5%a4%9a%e7%89%b9%e5%88%a5%e4%bf%9d%e5%ad%98%e5%88%80%e5%89%a3-%e3%83%bb%e4%bc%9d-%e7%82%ba%e7%b6%99%e7%89%b9%e5%88%a5%e8%b2%b4%e9%87%8d","status":"publish","type":"product","link":"https:\/\/sword-auction.com\/en\/product\/28556\/as25218-%e5%88%80%e7%84%a1%e9%8a%98%e5%8f%a4%e5%ae%87%e5%a4%9a%e7%89%b9%e5%88%a5%e4%bf%9d%e5%ad%98%e5%88%80%e5%89%a3-%e3%83%bb%e4%bc%9d-%e7%82%ba%e7%b6%99%e7%89%b9%e5%88%a5%e8%b2%b4%e9%87%8d\/","title":{"rendered":"AS25218 Katana : Mumei (Ko-Uda)(NBTHK Tokubetsu Hozon Token)\/(Den Tametsugu) (NBTHK Tokubetsu Kicho Token)"},"content":{"rendered":"

Ordering number:AS25218<\/p>\n

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

Signature: Mumei (Ko-Uda) NBTHK Hozon.
\nSignature: Mumei (Den Tametsugu) NBTHK Tokubetsu Kicho.
\n\u7121\u9298(\u53e4\u5b87\u591a)
\n\u7121\u9298(\u4f1d \u70ba\u7d99)<\/p>\n

Sayagaki: Author unknown
\nEtchu Koku Tametsugu
\nO-suriage Mumei \u2013 Disciple of Yoshihiro
\nEra: Around the Jowa period (1345\u20131350)
\nNie-deki, excellent workmanship
\nBlade Length: 2 shaku 3 sun 3 bu (70.6 cm \/ 27.80 in)<\/p>\n

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
\nThis blade is ranked as Jyojyo Saku among Mumei (Ko-Uda) works.
\nHabaki: Single gold-covered habaki
\nBlade Length: 70.5 cm (27.76 in)
\nCurvature: 1.9 cm (0.75 in)
\nMekugi Hole: 2
\nWidth at Base (Motohaba): 2.86 cm (1.13 in)
\nWidth at Tip: 2.17 cm (0.85 in)
\nThickness of rim (Kasane): 0.65 cm (0.26 in)
\nSword Weight: 750 g
\nEra: Nanbokucho period (1336\u20131392)
\nShape: O-suriage mumei, wide mihaba, slightly thick kasane, deep curvature, and slightly extended kissaki.
\nJigane: Well-forged ko-itame hada with visible utsuri, giving an impression of antiquity.
\nHamon: Nie-deki with irregular gunome pattern.<\/p>\n

Features: Although the attribution by the NBTHK Hozon certificate is Ko-Uda for this unsigned blade, both the NBTHK Tokubetsu Kicho Token certificate and the sayagaki attribute it to Etchu no Tametsugu. In my personal opinion, the attribution to Tametsugu is more appropriate.<\/p>\n

Koshirae:
\nTsuba: Nade-kaku-gata Tsuba with a carved floral design, highlighted with gold inlay.
\nMenuki: Carved figures with gold inlay.
\nFuchikashira: Shakudo nanako base with sacred tree and bird motif, decorated in gold inlay.
\nSaya (Scabbard): Black roiro lacquer saya.<\/p>\n

Aoi Art\u2019s Comment:\u3000The nioiguchi of the hamon is deep, and the boshi also shows a deep nioiguchi with active kinsuji appearing in a yakitsume style.
\nA timeless piece that does not grow dull.
\nHighly recommended.<\/p>\n

NBTHK Tokubetsu Hozon Token Certificate
\nNBTHK Tokubetsu Kicho Token Certificate
\nAoi Art estimation paper with whole oshigata<\/p>\n

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Ordering number:AS25218 Katana in Shirasaya with Koshirae (NBTHK Tokubetsu Hozon Token) (NBTHK Tokubetsu Kicho Token) Signature: Mumei (Ko-Uda) NBTHK Hozon. Signature: Mumei (Den Tametsugu) NBTHK Tokubetsu Kicho. \u7121\u9298(\u53e4\u5b87\u591a) \u7121\u9298(\u4f1d \u70ba\u7d99) Sayagaki: Author unknown Etchu Koku Tametsugu O-suriage Mumei \u2013 Disciple of Yoshihiro Era: Around the Jowa period (1345\u20131350) Nie-deki, excellent workmanship Blade Length: 2 shaku […]\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-28556","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\/28556","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=28556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}