{"id":30594,"date":"2026-03-13T13:26:25","date_gmt":"2026-03-13T04:26:25","guid":{"rendered":"https:\/\/sword-auction.com\/?post_type=product&p=30594"},"modified":"2026-03-13T13:26:25","modified_gmt":"2026-03-13T04:26:25","slug":"as23526-tachi%ef%bc%9amumeiunsigned-kashu-ietsugu-around-the-oei-era-nbthk-hozon-token","status":"publish","type":"product","link":"https:\/\/sword-auction.com\/en\/product\/30594\/as23526-tachi%ef%bc%9amumeiunsigned-kashu-ietsugu-around-the-oei-era-nbthk-hozon-token\/","title":{"rendered":"AS23526 Tachi\uff1aMumei(Unsigned) (Kashu Ietsugu, around the Oei era) (NBTHK Hozon Token)"},"content":{"rendered":"

Ordering Number: AS23526<\/p>\n

Tachi in Shirasaya with Koshirae (NBTHK Hozon Token)<\/p>\n

Signature: Mumei(Unsigned) (Kashu Ietsugu, around the Oei era)
\n\u7121\u9298(\u52a0\u5dde\u5bb6\u6b21\u30fb\u5fdc\u6c38\u9803)<\/p>\n

(We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku).
\nThe workmanship of this piece is ranked as Jyo Saku for a Mumei work attributed to Kashu Ietsugu (around the Oei era).
\nHabaki: Gold-plated single habaki.
\nBlade Length: 79.1 cm (31.14 in).
\nCurvature: 3.3 cm (1.30 in).
\nMekugi Hole: 1.
\nWidth at Base (Motohaba): 3.13 cm (1.23 in).
\nWidth at Tip (Sakihaba): 1.87 cm (0.74 in).
\nThickness of rim (Kasane): 0.77 cm (0.30 in).
\nSword Weight: 835 g.
\nEra: Muromachi period, around Oei era (1394), about 635 years have passed.
\nShape: The blade is wide with thick kasane, deep curvature, and a slightly extended kissaki, forming a well-proportioned and impressive shape.
\nJigane: Well-forged ko-itame hada with a faint utsuri appearing.
\nHamon: Ko-gunome midare mixed with ko-choji midare.
\nThe boshi becomes midare-komi with a somewhat stained appearance.<\/p>\n

Features: This is a powerful work with a long blade and deep curvature.
\nIt has been authenticated as Kashu Ietsugu from around the Oei era by the NBTHK Hozon Token appraisal.
\nSeveral generations of Kashu Ietsugu existed from around the Eisho era of the Muromachi period until the late Muromachi period.
\nThis school, whose founder was Sanekage, belonged to the Hashizume school and is referred to as Kaga Aoe.<\/p>\n

Tsuba: Iron tsuba in a rounded-square shape with peony design in brass inlay.
\nFuchikashira: Shakudo base.
\nKashira: Horn.
\nSaya (Scabbard): Black lacquer saya with kawari-nuri finish.
\nMenuki: Shakudo base with carved flower design.<\/p>\n

Aoi Art\u2019s Comment: About 635 years have passed since this sword was made.
\nIt maintains a dignified shape and still retains an almost ubu-nakago style appearance.
\nAt that time many battles were fought on horseback, and with a blade length of 79.1 cm (31.14 in), it suggests that intense battles were taking place.<\/p>\n

NBTHK Hozon Token Certificate.
\nAoiArt estimation paper: Whole Oshigata.
\nOverseas shipping fee not included<\/p>\n

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Ordering Number: AS23526 Tachi in Shirasaya with Koshirae (NBTHK Hozon Token) Signature: Mumei(Unsigned) (Kashu Ietsugu, around the Oei era) \u7121\u9298(\u52a0\u5dde\u5bb6\u6b21\u30fb\u5fdc\u6c38\u9803) (We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku). The workmanship of this piece is ranked as Jyo Saku for a Mumei work attributed to Kashu Ietsugu […]\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-30594","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\/30594","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=30594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}