Ray Singer

Noshu ju Kanetada. Appears to be a WWII era showato arsenal blade (not traditionally made).

I would have thought this is an ubu shinshinto blade.

As you said, the mei is Kaneyoshi. In the future, I would recommend posting a clear, straight-on, vertical photo of the tang (nakago). That will help with readability and assessment. There were several generations in Mino from late Muromachi (Sue-Seki) through shinshinto times.

This appears to be a potentially nice koto Bizen blade. Please do not do anything on your own to clean or polish the blade, or remove rust. It may be worthwhile to explore a professional polish (a restoration by a fully-apprenticed polisher). Especially, do not remove rust from the nakago (tang).

Bitchu (no) kami Tachibana Yasuhiro

1. Fujiwara Sadayuki 2. Takeyasu saku

The blade and its mountings are authentic. Please carefully remove the handle and show a clear vertical photo of the nakago (tang).

Mei: Bishu Osafune (suriage, the name has been lost when the sword was shortened) Date: Tensho go nen (the year 1577)

It is not uncommon to see Showa era gimei with the names of famous Shinto smiths. I think it is likely this would be the same (a gimei of Oya Kunisada).

The mei is Izumi no kami Kunisada, the inscription used by a famous Edo period swordsmith however this does not appear to be an authentic example of his inscription.

Here is an example by the Shinto smith. https://samuraishokai.jp/sword/22145.html

武州住兼永 - Bushū ju Kanenaga https://nihontoclub.com/smiths/KAN1661 https://nihontoclub.com/smiths/KAN1662 https://nihontoclub.com/smiths/KAN1663

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Gwyn, the upper portion appears to read 西本家 - Nishimoto-ke (Nishimoto family). The kamon (family crest) appears to be a variation of those you can see below. https://www.google.com/search?sca_esv=073be19fff1ea87f&sxsrf=AHTn8zqyiEzVROnwoDpRvKNgJa3RGgprDg:1741605670112&q=丸に蔦&udm=2&fbs=ABzOT_CWdhQLP1FcmU5B0fn3xuWpA-dk4wpBWOGsoR7DG5zJBjLjqIC1CYKD9D-DQAQS3Z598VAVBnbpHrmLO7c8q4i29MHIoj62rC0KLNSn9Sz5z21EEXLYPrirt-CNWhNAN6Edz2gDLUupOZz08EpaPxxYRoWHLtXI9IAmZ-HAT8GoGf6iWFwBCAC1EhtX31sa2kkgqyuh8unt2H9L9lEi7cKOBZnNBg&sa=X&sqi=2&ved=2ahUKEwiB5bjasv-LAxWBTTABHTK3EOsQtKgLegQIExAB&biw=1920&bih=911&dpr=1

Noshu Seki ju Kanetaka kore saku Appears to be a WWII era showato arsenal blade.

I believe 治喜 could be read Haruaki.

It appears there may have been some significant flaw there such as a large fukure or kitae-ware. By and large, the majority of these bone mountings contained either poorly made blades that were metal tsunagi (placeholders to hold the mounts together) or lower quality antique blades that had condition issues. From that latest close up photo I suspect this is one of the latter, a tired / flawed blade, but still an older one.

Can you add the photos into this post rather than the external link?

The handle (tsuka) is from the type of carved bone mounting produced during the Meiji period. The blade is authentic, Edo period or earlier, osuriage mumei (greatly shortened and unsigned). The seppa are also clearly authentic antique elements. Do not do anything to clean the nakago trying to expose a mei. Doing so will destroy any value the blade itself has. It seems fairly clear that the blade has been shortened and any mei that might have been there was lost.

Ignoring the mei, there are yasurimei present and a nakago surface consistent with Shinto. Lighting is poor but it can be seen here. I would likewise want to see better photos of the blade itself.

This may be an authentic antique Japanese sword with the very crudely inscribed gimei added recently. The nakago, its shape color and texture, appear legitimate. Perhaps something like Kaga shinto.

Mei: Seki Kanemitsu Date: a day in the 8th month of Tensho 2 Unfortunately this inscription does not appear to authentic.

Soshu ju Tsunahiro. Likely, late Muromachi period. Sue-Soshu school. https://nihontoclub.com/view/smiths/meisearch?type=All&mei_op=contains&mei=相州住綱廣

Noshu Seki ju Kojima Katsumasa saku https://www.google.c...sclient=gws-wiz-serp

Noshu ju Sukenobu Dated April 1942 https://www.google.c...rome-mobile&ie=UTF-8