Ordering number : 12391
Tanto in Shirasaya with Gassan’s wood box.
Signature:Tennou Denka Gotanjyou Kinen
Showa 4 nen 10 gatsu Kichijitsu Gassan Sadakatsu Kinsaku Kao
Hakogaki:Gassan Sadakatsu Saku.The memory of the birth of the prince.(Emperor of Japan right now)
Showa 4th year October lucky day. Gassan Sadakatsu made this Tanto with greet humility.
Motte Soshu Kamakura Masamune Den Hijyutsu nagasa 7 sun 5 bu Kinsaku.
Explanation: He made this sword by special secret craft way Kamakura Masamune. The length is 9,05 inches.
The blade was polished.
Habaki : Gold foiled single habaki.
This unusual habaki is the mark of Gassan school.
Blade length : 23.0 cm or 9.05 inches.
Sori : Uchizori
Width at the hamachi : 2.26 cm or 0.88 inches.
Kasane : 0.51 cm or 0.2 inches.
Era : Early Showa period.
Shape : The blade is regular sized healthy blade.
Jitetsu :Ooitame hada well grained with jinie attach and chikei work.
Hamon : Niedeki notare double and triply niedeki hamon.
In ha, there are many sunagashi and kinsuji scatter.
Boshi is hakikake style.
Special feature : This Tanto was made as memory of the birthday of Royal princess (The 3rd princess).
The Tanto was made more careful attention compare regular sword.
The hamon is Soshu Masamune style and ooitame hada.
The founder of the Gassan school started from Kamakura period to Gendai (modern times) by Dewa Gassan province by Oni oumaru and Chikanori, Gunsho. Especially Ayasugi hada is well known Hamon of Gassan school. But the special secret craft way of Ayasugi hamon stopped at late Muromachi period.
But at the end of Edo period, Gassan Sadakazu succeeded to restoring perfectly.
This Ayasugi hada has been kept as the top class secret craft as his Gassan school.
Gassan Sadakazu was quite well known swordsmith and made Soshu, Bizen, Yamashiro, Yamato Hosho style and also mino den.
Afoter Sadakazu passed away, Gassan Sadakatsu succeeded school and educated many famous swordsmiths.
Sadakatsu made a Tanrenjyo (the place for making swords) at Nara Yoshino province moved from Oosaka.
By the request of army and navy, Gassan Sadakatsu made a lot of swords. Also he made sword for royal family and emperor army and also the imperial award for the top graduated student of army and navy student.
This sword was made at Showa 4th year and also wrote the Hakogaki by himself.
The blade is soshu den Ooitame hada with jinie and chikei nice texture and hamon.
Gassan’s wood box.
Aoi Art estimatin paper : whole Oshigata.