Eric H Posted September 3, 2012 Report Posted September 3, 2012 If anyone can find a Japanese source, I assume it will be Eric....That about sums it up.... Unfortunately no. The subject of Nata and Kubikiri has already been elaborately discussed, the nata with it‘s shape resembles rather to a hatchet whereas the kubikiri on the picture seems to be more practical for the intended use. The illustration, a scan, has been provided by Ford Hallam. Actually I have never seen at an auction, or for sale, or pictured a Kubikiri Tanto with exception of the mentioned scan. This is a very interesting read: viewtopic.php?f=1&t=11562&hilit=fresh+out+of+the+woodwork Eric Quote
cabowen Posted September 3, 2012 Report Posted September 3, 2012 Until someone can produce a Japanese source that clearly identifies these blades as being specifically made for removing heads and not some less macabre purpose, I will continue to believe what I have been told by several smiths and kantei people in Japan who have indicated otherwise. Quote
Chonmage Posted September 3, 2012 Author Report Posted September 3, 2012 Possible heat treatment / noticeable difference in the width across the blade around that same centre area - unless it's the photos ????Would certainly suggest serious consideration before purchasing . Anders , at the end of the day - this is ann odd piece , do you feel you'd get your money back / or even any offers in time of sale ? It's in a flea market - how long has the owner been trying to get rid of it ? All the Best ! Cheers , Alan Thanks Alan, yeah that's the thing. The owner bought it for 30 man during the golden bubble, and ever since then he has been its sole owner. When it slides under 2 man I will be there to pick it up. Until then it can wait. I'm soso close with the old bugger, but I just can't get myself to buy it now. Big thanks to everyone, I think we can wash our hands and close this one. If anyone unearths some epic find, be sure to pm me. About the whole kubi kiri thing, I can not say what is what. I personally think that any blade would suffice, and that the blade of this topic was never made to spill blood in conflict. Fat tuna on the other hand, who knows Quote
Brian Ayres Posted September 4, 2012 Report Posted September 4, 2012 As a smith I can offer one more thought on this blade. The hamon turnback on the kissaki in a simple carbon steel is possible to accomplish without re-hardening the entire blade. Hardening is a matter of time and temperature and with a steel like tamahagane you could lean into a grinder, and get the edge up to 1500 degrees, but not get the thicker part of the blade hot. When you quench it in your dip bucket, the "new" edge would harden and leave a martensite/pearlite "hamon"... About 5cm from the tip, the hamon runs down towards the edge which would occur if the blade was accidentally, or purposefully re-tempered at the tip..... :? Just a guess.... Brian Ayres Quote
cabowen Posted September 4, 2012 Report Posted September 4, 2012 There would be a nioi-gire in that case.... Quote
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