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ROKUJURO

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ROKUJURO last won the day on March 24

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About ROKUJURO

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    Juyo
  • Birthday 08/11/1944

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    http://jean-collin.com/

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    Male
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    In a deep valley
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    Celtic and Japanese history and culture

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    Jean Collin

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  1. Robert, you are mixing up hardness and stiffness with flexibility, but I think you mean brittleness, toughness and resilience. Carbon steel alloys do not harden deeper than 4 mm down into the metal in small workpieces. That means that a 8 mm thick blade would theoretically be hardened through IF IT WERE MADE FROM MONOSTEEL THROUGHOUT. But this is mostly not the case. By the way, the effects of hardening are different with test pieces of considerably higher mass (e.g. 10 by 10 by 10 cm). Annealing (YAKIMODOSHI) takes away some of the hardness and makes blades more resilient instead. In composite constructions (with a flexible low-carbon core/SHINTETSU) blades will just harden in the high carbon KAWAGANE, often a thin layer of steel. This is the reason why blades can lose their HAMON if polished too often. As Christian writes correctly above, you cannot judge a blade's properties by looking only at the HAMON.
  2. Tom, welcome to the NMB! You are in beautiful NAGANO, so there should be some knowledgeable TOSOGU people around to advise you directly, I hope! Other than that, if you have red rust, this is of course an iron Tsuba. You could also check with a magnet. Red rust is bad and should be carefully scraped off with a soft tool (a pointed piece of ivory, bone, bamboo, or antler. You could also try a piece of pure (!!!) copper. The TSUBA looks gorgeous, but the pics cannot be magnified, so we don't see details. Please be aware that SOTEN TSUBA have been copied by many TSUBASHI, so there is a chance that the signature might be GIMEI. On the other hand, if SHOSHIN, these TSUBA have a high market value! Enjoy your TSUBA and keep us informed with better photos!
  3. Christian, as far as one can see from the photos, they are good! Close-ups will tell more. The FUCHI-GASHIRA may be simple, but it looks well made. So let us see some good detail photos.
  4. Ford, if I remember correctly, they were made in HIKONE. HAKONE is near FUJI-SAN.
  5. Bernard, most of the photos are upside-down, but other than that the little TSUBA is o.k. Condition is so là là...
  6. Barry, that is a feature which I have never seen on blades not made from TAMAHAGANE.
  7. Christian, you will see it when you look at them from the backside. In my personal view, cast is still a lot better than press-molded.
  8. Christian, that is a very humble TSUKA in not so good condition (IAIT-TO?). You bought it for the MENUKI, but what do you know about them? I would expect them to be of the same very simple quality as the FUCHI-GASHIRA set, and this can mean that they are only made of sheet metal, formed in a press-mold. The KIRI MON design is not necessarily a guarantee of better quality! Anyhow, let's hope the best, and when you have dismounted the MENUKI, please show them here to prove that I was wrong!
  9. I like items like these and make them myself in the forge from old iron (puddle iron, about 140 years old. See in the 'ForSale' section).
  10. A butterfly TSUBA from my little collection. It seems to be a late EDO one, but I don't know the school.
  11. Gentlemen, Jean-Piere inspired me to make a MEKUGI NUKI myself. I forged it from iron that was originally used in a wagon wheel's tire, back in about 1880. It is 120 mm long, has a max. width of 28 mm, and is 5,2 mm thick. Price is € 85.-- plus shipping. I also had another idea: A newly forged TANTO TSUBA (58,4 x 48,2 x 7 mm) with an integrated spike. Same material as above, but much more work! Price is € 220.-- plus shipping.
  12. Joseph, does your blade have a stamp near the MEKUGI-ANA? Your blade is signed TACHI-MEI, ESAKA YOSHIKUNI obviously signed KATANA-MEI. It looks like a late war military blade and not like a SAMURAI weapon, so it was probably not made with traditional techniques but mainly by factory workers. There are only a few swordsmiths of that era who got some reputation after the war. So the question if the smith was 'famous' can not be answered unless we know who he was. In addition to that, we should know if the blade was forged or mass produced in a factory. It would probably help if we could see the whole (naked) blade without HABAKI and detail photos.
  13. Geoff, of course a Japanese blade is tempered. Have a little read on UTSURI: https://markussesko.com/2013/08/22/some-thoughts-on-utsuri/
  14. Dave, I don't think the (cast) dragon MENUKI are mismatched, but my eyes are no longer that good, so I might miss details. The other pair are not SAKURA, but I am not sure what they are. Perhaps Clematis? Don't know. They don't make a MENUKI pair as they seem to be identical copies.
  15. ROKUJURO

    Menuki question ??

    Dave, then you should not use these as they are very late (cheap) reproductions.
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