Katana : Naniwa ju Gassan Sadakatsu Kinsaku(Kao)
Katana in Shirasaya (NBTHK Hozon paper)
Signature : Naniwa ju Gassan Sadakatsu Kinsaku(Kao)
Showa 12nen 3gatsu Kichijitsu.(March,1937)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saku)
This Gassan Sadakatsu belongs to Jyo-Jyo saku ranking.
The blade was polished by good polisher.
Habaki:silver singla Gassan Habaki.(original Habaki which was made by Sadakatsu)
Blade length : 68.0 cm or 26.77 inches.
Sori : 2.0 cm or 0.78 inches.
Mekugi : 1
Width at the hamachi : 3.11 cm or 1.22 inches.
Width at the Kissaki : 2.30 cm or 0.90 inches.
Kasane : 0.7 cm or 0.27 inches.
Era : Showa period.(1937)
Shape : The blade is rather wide and thick with deep sori
and also longer kissaki nice looking shape.
Jitetsu :Masame hada well grained with jinie attach
and chikei work along with Masame hada.
Hamon : Niedeki gunome midare with sunagashi with double,
3 fold and more and also small kinsuji work.
Boshi is thick nioikuchi round shape hakikake style.
Special feature :
Gassan Sadakatsu was a son of Gassan Sadakazu who was the most famous sword-smith in Meiji era.
He studied under his father Gassan Sadakazu, and he started to make
the vicarious work of Sadakazu in late Meiji period.
He challenged many style, for example, Ayasugi hada, Yamato style,
Soshu style, Bizen style. And he succeeded to make many fantastic blades with those style.
One of his characteristic is Gassan-Habaki.
This sword was made by Masame hada which is unusuial style for Sadakatsu
He was skillful for variety jigane and Hamon.
Beautiful masame hada and also active gunome midare hamon make you satisfaction.
NBTHK Hozon paper.
Aoi Art estimation paper : whole Oshigata.