{"id":30550,"date":"2026-03-10T13:12:42","date_gmt":"2026-03-10T04:12:42","guid":{"rendered":"https:\/\/sword-auction.com\/?post_type=product&p=30550"},"modified":"2026-03-18T13:26:35","modified_gmt":"2026-03-18T04:26:35","slug":"as24409-katana-mumeiunsigned-mihara-masanobu-nbthk-hozon-token","status":"publish","type":"product","link":"https:\/\/sword-auction.com\/en\/product\/30550\/as24409-katana-mumeiunsigned-mihara-masanobu-nbthk-hozon-token\/","title":{"rendered":"AS24409 Katana: Mumei(Unsigned) (Mihara Masanobu). (NBTHK Hozon Token)"},"content":{"rendered":"

Ordering Number: AS24409<\/p>\n

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

Signature: Mumei(Unsigned) (Mihara Masanobu).
\n\u7121\u9298(\u4e09\u539f\u6b63\u4fe1)<\/p>\n

(We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku).
\nThe quality of this work is ranked as Jyojyo Saku for Mumei (Mihara Masanobu).
\nHabaki: Solid copper Habaki.
\nBlade Length: 69.8 cm (27.48 in).
\nCurvature: 1.3 cm (0.51 in).
\nMekugi Hole: 3.
\nWidth at Base (Motohaba): 2.79 cm (1.10 in).
\nWidth at Yokote (Sakihaba): 1.74 cm (0.69 in).
\nThickness of rim (Kasane): 0.66 cm (0.26 in).
\nSword Weight: 660 g.
\nEra: From the late Nanbokucho period to the early Muromachi period.
\nAround 1335\u20131394, about 640 years ago.
\nShape: Greatly suriage and unsigned.
\nThe blade has standard width and thickness with an appropriate curvature and a slightly extended kissaki, giving the sword a well-balanced shape.
\nJigane: Ko-itame hada.
\nThe steel is finely forged and shows clear utsuri.
\nHamon: Nie-deki suguha with kuichigai-ba working within the temper line.
\nNear the kissaki there are ko-ashi and kinsuji activities.
\nThere are also double temper lines, and the boshi forms double and triple temper patterns, making this a well-executed blade.<\/p>\n

Features: The Mihara school flourished in Bingo Province from the late Kamakura period through the Muromachi period, and Masanobu was active during the late Nanbokucho period.
\nThis blade was made about 640 years ago and displays beautifully refined jigane with visible utsuri.
\nThe hamon is suguha, and toward the upper section ko-ashi appear and the temper becomes double.
\nThe boshi shows variations with double and triple temper lines.<\/p>\n

Koshirae:
\nTsuba: Round shakudo nanako ground with a horse design carved and finished with gold iroe.
\nThe rim has a gold fukurin.
\nSignature: Kikuoka Mitsuyuki (kao).
\nMenuki: Shichifukujin (Seven Lucky Gods) design.
\nFuchikashira: Shakudo ground carved with torii gates and figures, finished with gold iroe.
\nSignature: Hideo Nomura Kanenori.
\nSaya (Scabbard): Black roiro lacquer saya.
\nKogai: Shakudo nanako ground with high-relief carvings of figures, deer, and pine trees with gold iroe.
\nKozuka: Shakudo nanako ground with high-relief carvings of figures, deer, and pine trees with gold iroe.
\nWith kogatana.<\/p>\n

Aoi Art\u2019s Comment: Mihara Masanobu blades show more variation compared with other Mihara works.
\nUtsuri appears in the jigane, and from the monouchi area small ashi activities are visible.
\nThe hamon becomes double, and the boshi forms triple temper lines.
\nThe beauty of the suguha stands out, giving a calm impression while also showing attractive variations.
\nThis is a piece we highly recommend.<\/p>\n

NBTHK Hozon Token certificate.
\nAoiArt estimation paper: Whole Oshigata.<\/p>\n

Please note: the price does not include the shipping fees.<\/p>\n

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Ordering Number: AS24409 Katana in Shirasaya, with Koshirae (NBTHK Hozon Token). Signature: Mumei(Unsigned) (Mihara Masanobu). \u7121\u9298(\u4e09\u539f\u6b63\u4fe1) (We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku). The quality of this work is ranked as Jyojyo Saku for Mumei (Mihara Masanobu). Habaki: Solid copper Habaki. Blade Length: 69.8 cm […]\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-30550","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\/30550","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=30550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}