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73.93cm Katana attributed to Gassan Sadayoshi with Koshirae


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Posted
Type :Uchigatana
Ubu 
Mei ::  Mumei
Era/Age : Shinshinto
Shirasaya, Koshirae or Bare Blade? : Koshirae and Shirasaya
Flaws : Light corrosion
Sword Location : USA
Will ship to : USA
Payment Methods Accepted : PayPal, Zelle
Price and Currency : SOLD - USD

Other Info and Full Description 

This Katana was attributed to Gassan Sadayoshi by the NBTHK, founder of the Osaka Gassan school and responsible for reviving the Gassan tradition. He trained under Suishinshi Masahide, one of the most renowned Shinshinto smiths and also trained Gassan Sadakazu who was designated as Teishitsu Gigei-in (Imperial Household Artist).

Gassan Sadayoshi was known to work in many styles, this blade in particular is done in a Yokoyama Bizen style and is also built long and heavy. It comes with Koshirae and Shirasaya along with the NBTHK papers.

Blade length 73.93cm(2尺4寸4分0厘)
Sori 1.81cm(6分0厘)
Moto haba (width) 3.43cm
Moto kasane 0.73cm
Saki haba 2.35cm
Saki kasane 0.53cm
Weight 919 g
Shirasaya length 103cm
Koshirae length 109cm

Blade is in overall health condition featuring some slight corrosion on the Munemachi and some spots on the cutting edge which can be removed with carefully applied Uchiko.
 

IMG_7188.jpg

IMG_7189.jpg

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Posted

Very early registration number for the torokusho, No74 from March 1951. Only seen one earlier which was No66 for a Sadatsuna Sekishu with Tameshigiri inscription. 

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Posted (edited)

Still available, looking to get a fun car for this summer so somebody should buy it :)

Send your best offer

Edited by singh13
Posted

.....some slight corrosion on the Munemachi and some spots on the cutting edge which can be removed with carefully applied Uchiko....

Subegh,

did you remove the corrosion with UCHIKO in the meantime?

Posted (edited)
2 hours ago, ROKUJURO said:

.....some slight corrosion on the Munemachi and some spots on the cutting edge which can be removed with carefully applied Uchiko....

Subegh,

did you remove the corrosion with UCHIKO in the meantime?

i would go with isoprohyl alcohol 100% first. You can't do damage with correct aplication.

@singh13 I know You posted more photos somewhere at facebook or sth like it. Please add picture for munemachi. It wasn't anything scary.

Thanks for photo. I don't want to spam more but it's great long sword from great lineage. Sadayoshi was The One who reinvented ayasugi hada If I remember correctly.

Koshirae with fresh NBTHK evaluation. I have it saved from the start :]

Edited by Rawa
Posted


@ROKUJURO@Rawa

Here’s the spot on the munemachi. Not bad at all in my opinion and could be removed through less abrasive methods. I haven’t done anything to the blade other than oiling it 

image.png

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