Kantei

NH-0110 Rank 115

Ōmi no Kami Tadayoshi, sixth generation

Katana signed by the sixth-generation Ōmi no Kami Tadayoshi of Hizen, with NBTHK Tokubetsu Hozon paper, full koshirae and shirasaya.

Shintō (1596-1780)Tenmei era (1781–1789)HizenNBTHK Tokubetsu Hozon

Silhouette of the blade to scale, aligned at the machi

Photographs by the seller at origin.

Description

Katana by Ōmi no Kami Tadayoshi, sixth generation of the Tadayoshi line of Hizen province. According to the original seller, the smith, Hashimoto Shinzaemon, was the son of the fifth Tadayoshi, is ranked as a jōsaku smith, and the blade belongs to the Edo period, Tenmei era. It measures 70.2 cm in nagasa with 1.4 cm of sori, a motohaba of 3.05 cm, a sakihaba of 2.25 cm and a motokasane of 0.72 cm. The photographs show a shinogi-zukuri blade without hi and a nakago that appears intact, with continuous yasurime, a single mekugi-ana and the signature 肥前国近江守忠吉 on the omote. The photographs also show a complete koshirae: a garnet lacquered saya with raised karakusa and pierced metal fittings, a four-lobed tsuba engraved with karakusa, a tsuka with dark ito over white same, gilt dragon menuki and a kashira inset with same. The original seller neither describes nor dates the mounting. It comes with a shirasaya and the NBTHK Tokubetsu Hozon paper, photographed, issued in Reiwa 8 (2026).

Strong points

  • NBTHK Tokubetsu Hozon paper, visible in the photographs
  • Signature 肥前国近江守忠吉 of the sixth Tadayoshi, confirmed by the paper
  • Nakago appearing intact, with a single mekugi-ana
  • Complete koshirae with lacquered saya, engraved tsuba and dragon menuki
  • Also supplied with a shirasaya

Points to bear in mind

  • The original seller does not state the condition of the blade
  • The mounting is neither described nor dated by the original seller
  • The tsuka ito looks re-wrapped, being taut and clean
  • The blade bears no date; the era is given by the original seller

Score breakdown

50.1/100

The score shares out 100 points: Signature and date 18 · Tang 22 · Mounting 18 · Declared condition 20 · Blade 8 · Shirasaya 4 · Price 10. It is computed from the record, not from an opinion. The mounting starts from what is known of its period, adds what vouches for it (its own NBTHK paper, a signed fitting, a crest) and subtracts what has been restored (saya, ito, same, habaki or sageo).

  1. Signature and date 10 of 18 Signed, with no engraved date
  2. Tang 20 of 22 Tang intact according to the photographs
  3. Mounting -3 of 18 Mounting documented only in the photographs · restored: rewrapped ito
  4. Declared condition 11 of 20 Condition not declared
  5. Blade 8 of 8 70.2 cm: within the usable range
  6. Shirasaya 0 of 4 No shirasaya: one will have to be made
  7. Price 4.1 of 10 Rank 83 of 139 by price, from the most affordable to the dearest