{"id":33776,"date":"2026-10-23T11:02:05","date_gmt":"2026-10-23T02:02:05","guid":{"rendered":"https:\/\/sword-auction.com\/product\/33776\/as26402-%e6%a7%8d%e6%9d%91%e6%ad%a3%e3%81%a8%e9%8a%98%e3%81%8c%e3%81%82%e3%82%8b%e7%84%a1%e4%bf%9d%e8%a8%bc\/"},"modified":"2026-10-23T11:02:50","modified_gmt":"2026-10-23T02:02:50","slug":"as26402-%e6%a7%8d%e6%9d%91%e6%ad%a3%e3%81%a8%e9%8a%98%e3%81%8c%e3%81%82%e3%82%8b%e7%84%a1%e4%bf%9d%e8%a8%bc","status":"publish","type":"product","link":"https:\/\/sword-auction.com\/en\/product\/33776\/as26402-%e6%a7%8d%e6%9d%91%e6%ad%a3%e3%81%a8%e9%8a%98%e3%81%8c%e3%81%82%e3%82%8b%e7%84%a1%e4%bf%9d%e8%a8%bc\/","title":{"rendered":"AS26402 Yari\uff1a Signed Muramasa (Not Guaranteed)"},"content":{"rendered":"

Ordering Number: AS26402<\/p>\n

Yari in Shirasaya<\/p>\n

Signature: Signed Muramasa (Not Guaranteed)<\/p>\n

(We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku).
\nThis blade is ranked as Regular Saku among works bearing the signature of Muramasa (Not Guaranteed).<\/p>\n

Blade Length: 27.7 cm (10.91 in).
\nCurvature: 0 cm (0.00 in).
\nMekugi Hole: 1.
\nWidth at Base (Motohaba): 1.95 cm (0.77 in).
\nThickness of rim (Kasane): 0.81 cm (0.32 in).
\nSword Weight: 185 g.
\nOverall Length of Shirasaya: Approx. 90 cm (35.43 in).
\nEra: Around the late Muromachi period.
\nShape: A well-proportioned yari with a slender, elegant shape.
\nJigane: Well-forged ko-itame hada.
\nHamon: Nie-deki gunome-midare.
\nThe boshi has a slightly rounded turnback.<\/p>\n

Features: There are many swords bearing forged Muramasa signatures, which can understandably make authentication difficult for collectors.
\nUnfortunately, we have determined that the signature on this particular yari is a gimei (false signature).
\nAuthentic Muramasa yari generally have a relatively long kerakubi (the narrow neck below the spearhead), and their hamon patterns correspond closely on both sides of the blade.
\nThe same characteristic can be observed in Muramasa tanto, wakizashi, and katana, where the hamon on the front and reverse sides is generally symmetrical.
\nIf the hamon patterns differ significantly between the 2 sides, this may indicate a false signature.
\nAnother characteristic to look for is shirake-utsuri, a whitish reflection visible in the jigane.
\nPlease examine the blade carefully for this feature.<\/p>\n

However, it is important to note that genuine Muramasa blades may also display hako-midare (box-shaped irregular hamon), and some authentic examples have hamon that have become extremely faint or almost invisible.
\nTherefore, these characteristics should be considered carefully when evaluating authenticity.<\/p>\n

AoiArt estimation paper: Whole Oshigata.<\/p>\n

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

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\n\"\"<\/a>\"\"<\/a>\"\"<\/a>\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Ordering Number: AS26402 Yari in Shirasaya Signature: Signed Muramasa (Not Guaranteed) (We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku). This blade is ranked as Regular Saku among works bearing the signature of Muramasa (Not Guaranteed). Blade Length: 27.7 cm (10.91 in). Curvature: 0 cm (0.00 in). […]\n","protected":false},"featured_media":0,"template":"","meta":[],"product_brand":[],"product_cat":[122,155],"product_tag":[],"class_list":["post-33776","product","type-product","status-publish","product_cat-sword-en","product_cat-yari_ken_naginagta-en","first","instock","sold-individually","shipping-taxable","product-type-auction"],"_links":{"self":[{"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/product\/33776","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=33776"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/product_brand?post=33776"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/product_cat?post=33776"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sword-auction.com\/en\/wp-json\/wp\/v2\/product_tag?post=33776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}