江戸時代前期の初、二、三代には在銘作がなく、しかもその古調な風合いが感動を呼ぶことから、古赤坂(こあかさか)と尊称されている。八方に細い線を構成して梅花を配した作。地鉄の色は紫錆の呼称があるように、黒の中に渋い色調が混じって質朴な印象。微細な石目地で渋い光沢に包まれている。 保存刀装具鑑定書(古赤坂)
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Ko-Akasaka School
Pre-Edo
Musashi
Unsigned
Hozon (NBTHK)
As written by the shop
Iron-tsuba
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft value.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteIf, due to our fault, the item differs significantly from its proper condition, the item may be returned. Cooling-off is within one week of the item's arrival.