{"id":29296,"date":"2025-11-29T11:20:48","date_gmt":"2025-11-29T02:20:48","guid":{"rendered":"https:\/\/sword-auction.com\/?post_type=product&p=29296"},"modified":"2025-12-06T10:40:33","modified_gmt":"2025-12-06T01:40:33","slug":"as25620-katana-bishu-osafune-sukesada-eisho-17-nen-8-gatsu-hi-august-1520nbthk-hozon-token","status":"publish","type":"product","link":"https:\/\/sword-auction.com\/en\/product\/29296\/as25620-katana-bishu-osafune-sukesada-eisho-17-nen-8-gatsu-hi-august-1520nbthk-hozon-token\/","title":{"rendered":"AS25620 Katana: Bishu Osafune Sukesada Eisho 17 Nen 8 Gatsu Hi (August 1520)(NBTHK Hozon Token)"},"content":{"rendered":"

Ordeirng number:AS25620<\/p>\n

Katana in Koshirae (NBTHK Hozon Token)<\/p>\n

Signature: Bishu Osafune Sukesada
\nEisho 17 Nen 8 Gatsu Hi (August 1520)
\n\u5099\u5dde\u9577\u8239\u7950\u5b9a
\n\u6c38\u6b63\u5341\u4e03\u5e74\u516b\u6708\u65e5<\/p>\n

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
\nThis work is ranked as Jyo Saku for Bishu Osafune Sukesada.
\nHabaki: Single-layered suaka (copper) with gold detailing
\nBlade Length: 2 shaku 2 sun \u2013 66.7 cm (26.26 in)
\nCurvature: 7 bu \u2013 2.12 cm (0.83 in)
\nMekugi Hole: 2
\nWidth at Base (Motohaba): 2.95 cm (1.16 in)
\nWidth at Tip (Sakihaba): 1.86 cm (0.73 in)
\nThickness of rim (Kasane): 0.67 cm (0.26 in)
\nSword Weight: 600 g
\nEra: Around Eisho era, Muromachi period (early 16th century)
\nShape: A well-balanced blade with standard width and thickness, deep curvature, and a slightly extended kissaki.
\nJigane: Well-forged small itame-hada with visible texture and grain.
\nA faint utsuri appears in the jigane.
\nThe boshi returns in a round shape.
\nHamon: Nioi-deki with a straight suguha and well-formed ashi.<\/p>\n

Features:This is a work by Sukesada dated Eisho 17 (1520).
\nDuring the Eisho period, Sukesada still used high-quality tamahagane, which can be seen in the well-forged jigane of this piece.
\nHowever, from this period onward, Sukesada and Kiyomitsu gradually shifted toward mass production.
\nWell-forged blades like this became less common after this transition.<\/p>\n

Koshirae:
\nTsuba: Round iron tsuba with plant motifs and gold highlights
\nFuchi: Shakud\u014d nanako base with high-relief sakura blossoms, accented in gold
\nKashira: Made of horn
\nSaya (Scabbard): Black lacquered saya (kuro roiro saya)
\nMenuki: Bouquet motif in high relief on shakud\u014d base<\/p>\n

NBTHK Hozon Token Certificate
\nAoi Art Estimation Paper: Whole Oshigata<\/p>\n

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Ordeirng number:AS25620 Katana in Koshirae (NBTHK Hozon Token) Signature: Bishu Osafune Sukesada Eisho 17 Nen 8 Gatsu Hi (August 1520) \u5099\u5dde\u9577\u8239\u7950\u5b9a \u6c38\u6b63\u5341\u4e03\u5e74\u516b\u6708\u65e5 We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku. This work is ranked as Jyo Saku for Bishu Osafune Sukesada. Habaki: Single-layered suaka (copper) with […]\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-29296","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\/29296","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=29296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}