Question about Masamune tempering pattern

[kkeeps]

Are these patterns found on other smiths' work? This is a picture of the Ogaki-Masamune. I have a close up of the mountain shaped element on one side and the ogiba and hangetsu elements on the other.

 

[Gakusee]

Yes, in other top level Soshu and Soshu derived work, eg Go, Sadamune, Yukimitsu, Shizu Kaneuji. How the elements are rendered and how the jiba works overall (hamon plus jigane plus hataraki) is where the experts go in detail in order to attribute to one or another smith. But there are works where in can go one way or another and some works could be Masamune or Go, or Masamune or Shizu etc. There are swords which have moved between Masamune and Yukimitsu (a tanto comes to mind) and some between Masamune and Go (a wonderful katana) in which Tanobe sensei said “this would have gone to Masamune if it had not been for the ichimai boshi’, etc. 

[kkeeps]

I see. I am trying to find similar oshigata to the Ogaki, but this is the only one I've come up with so far. Thanks Michael!

[Toryu2020]

The NBTHK did an excellent monograph on the influence of Masamune a couple of years ago - I would also look for the Sano Bijutsu-kan exhibit catalogue from a few years ago...

-t

[Wah]

On 4/7/2022 at 8:29 AM, kkeeps said:

I see. I am trying to find similar oshigata to the Ogaki, but this is the only one I've come up with so far. Thanks Michael!

If you wish to see current photographs of Ogaki Masamune, copy and paste the kanji into twitter. There are a few photos. 大垣正宗

 

If you are searching to see if you found a lost Masamune, some say this one is lost.

(Sakakibara Masamune)

 

Stephen T.

 

 

 

[kkeeps]

Thanks Stephen. I focused on the Ogaki because a sword I have replicates the pattern I highlighted. I'm sure its not a Masamune (I'm not that lucky) and was looking for leads on other smiths who may have copied the pattern.

 

I have a gif that shows the ogiba just to the left of the light source and it also has the thin spike and mountain shape on the other side of the blade.

 

I asked about the blade last year in the thread below and shows an overall picture of the blade.

 

 

[Wah]

2 hours ago, kkeeps said:

Thanks Stephen. I focused on the Ogaki because a sword I have replicates the pattern I highlighted. I'm sure its not a Masamune (I'm not that lucky) and was looking for leads on other smiths who may have copied the pattern.

 

I have a gif that shows the ogiba just to the left of the light source and it also has the thin spike and mountain shape on the other side of the blade.

 

I asked about the blade last year in the thread below and shows an overall picture of the blade.

 

 

Hey thanks for the explanation.  I don't see any ogi-ba. Do you have a clear still picture of the area you think is ogi-ba?

Also, may we see the boshi?

Stephen T.

[kkeeps]

The blade I have is out of polish, but I circled the Ogiba on the Ogaki-Masamune to show the area I am coparing. It is a fan shape hamon with hitatsura (grouped tobiyaki). Although on the Ogaki it looks rather flat.