Jcstroud Posted October 31 Report Posted October 31 Is it possible that the different anchor stamps could indicate different sources of production? Such as Takayama,Seki,Tenshozan ? My reasoning is if you notice Masanao,Kanenao,and Toyosuke seem to have the same 8mm stamp in the same location if my memory serves me correctly. PS hey guys been a while hope you are all well. JOHN Quote
Bruce Pennington Posted October 31 Author Report Posted October 31 Nice to see you again, too, John! Your idea is possible. I had the vague theory that the large was from post-war Tenshozan, while the small was from wartime Toyokawa. However, we (and I mean @Kiipu, @BANGBANGSAN, and @mecox) are trying to research the challenging idea that Toyokawa was not involved in making kaigunto at all and the circled anchor was a broad-based Navy stamp used by other/all Naval Arsenals. So, much work to be done on the Navy side of the stamping house. 1 Quote
Jcstroud Posted November 1 Report Posted November 1 Perhaps by grouping swords by stamp size,and also by swordsmiths known locations.In combination with physical traits such as paint color could help pin down location of fabrication.Such as Takayama for example.Well thats my 2 cents worth for now. 1 Quote
Bruce Pennington Posted November 1 Author Report Posted November 1 20 minutes ago, Jcstroud said: Perhaps by grouping swords by stamp size,and also by swordsmiths known locations.In combination with physical traits such as paint color could help pin down location of fabrication.Such as Takayama for example.Well thats my 2 cents worth for now. I'll have a look through my files, John. Been needing a project to chase. I haven't spent much time on the kaigunto. There's just not as many to sample, and they are mostly undated, so data is harder to build. But I'll have a look. 1 1 Quote
John C Posted November 2 Report Posted November 2 11 hours ago, Bruce Pennington said: There's just not as many to sample, Not to sound morbid, but is that because they "went down with the ship" or because there were simply fewer Naval officers? John C. Quote
Bruce Pennington Posted November 2 Author Report Posted November 2 12 hours ago, John C said: is that because Checking Wikipedia, they estimate that at the end of the war the Navy had 1.66 million personnel (don't know the percentage of officers) vs 5.4 million for the Army. So right away, you can see there would be four times as many army gunto as navy. Then, like you say, every ship that went down carried it's officers and kaigunto with it. 1 Quote
Jcstroud Posted November 4 Report Posted November 4 On 10/31/2024 at 2:23 PM, Jcstroud said: ? My reasoning is if you notice Masanao,Kanenao,and Toyosuke seem to have the same 8mm stamp in the same location if I reread my notes and it was the4mm stamp that was used predominantly 1 Quote
Jcstroud Posted November 8 Report Posted November 8 I am going to go out on a limb on this comment: the souvenir swords with a sheared off flat cut nakago were likely from Takayama forge and were originally longer training swords for Toyama training camp and were made to takayamas specifications then later cut under the direction of Kazuiichi Hattori. 1 Quote
Bruce Pennington Posted November 9 Author Report Posted November 9 Interesting idea, John. Certainly possible! 1 Quote
Jcstroud Posted November 11 Report Posted November 11 Well one thing for sure a hack saw wont do nothing to that metal .that is some tough stuff Quote
Bruce Pennington Posted December 1 Author Report Posted December 1 After our recent discovery that the circled-anchor stamp is most likely a Navy acceptance stamp, not specific to Toyokawa Naval Arsenal, it is still a mystery as to why all these souvenirs were stamped. I have 100 charted now, and only 4 are not stamped. Options: 1. The massive majority of blades used by Tenshozan for the souvenir were surplus from the war. If so, did the Navy inspector actually inspect/approve of blades that had not been finished? The nakago jiri on most of them were unfinished. I suppose this is possible, considering the loosening of quality requirements in the last year of the war. 2. There was a living Navy inspector working with Tenshozan after the war, stamping blades. 3. Tenshozan had the stamp and used it for the Wow effect on the souvenir blades as they made them. We may never know. 1 Quote
Jcstroud Posted December 1 Report Posted December 1 The records of the army documents contract name "The Japanese Naval Sword Company " aka Tenshozan Tanrenjo .I suppose the swords would have to have at least a element of Naval characteristics to satisfy the army contract .Along with " premise " that the blades were not used in combat as a condition of the contract. 1 Quote
John C Posted December 1 Report Posted December 1 3 hours ago, Jcstroud said: Naval characteristics John: You might be able to answer this - are the handles on the souvenirs slightly shorter than a regular gunto? I was thinking that if so, it could explain why the nakago on the blades were so abruptly cut in order to fit the souvenir. John C. Quote
Jcstroud Posted December 2 Report Posted December 2 The records of the army documents contract name "The Japanese Naval Sword Company " aka Tenshozan Tanrenjo .I suppose the swords would have to have at least a element of Naval characteristics to satisfy the army contract .Along with " premise " that the blades were not used in combat as a condition of the contract. Quote
Jcstroud Posted December 2 Report Posted December 2 Hey JohnC ,to answer your question the nakagos of the Takayama-to was about 1 shaku or 303mm The Rinji seishiki 242 mm the R.J.T. nakago spec.was 217 mm the souvenir swords 226mm,1940 naval spec was 206mm std kosherai. If my notes are correct. Itrust all is well with you and yours. John Stroud The measurement for the takayama to is an approximate measure as I have yet to physically measure one .Using length to width ratio to calculate from photos. 1 Quote
Jcstroud Posted December 2 Report Posted December 2 18 hours ago, John C said: John: You might be able to answer this - are the handles on the souvenirs slightly shorter than a regular gunto? I was thinking that if so, it could explain why the nakago on the blades were so abruptly cut in order to fit the souvenir. John C. It is my belief that the souvenir blades were originally 2nd design Takayama- to's with long nakagos intended for Takayama Ryu and or Toyoma Ryu for training cadets .Being surplus were collected by Zenhiro Hattori with the help of his Son in law Eiji ,then hot cut to fit standard RJT length koshirai at the Tenshozan Tanrenjo Quote
John C Posted December 2 Report Posted December 2 That could be. We may never know without definitive documentation. Hot cutting the nakago of pre-existing blades makes sense because the limited time they had to fill the orders after the red tape would have necessitated the need-for-speed. John C. Quote
Jcstroud Posted December 3 Report Posted December 3 Once more I am going out on a limb on this commentary : I beleive that Toyosuke was the name used to designate swords for Toyama Ryu ,and Takeyasu name was used to designate swords for Takayama Ryu for Batto jutso training.And were likely made by the same swordsmith filemarks and other characteristics being the same suchas green paint,black paint,4mm naval acceptance stamp,hot cut nakagos... 1 Quote
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