Tanto : Shi Masamine Saku/Toshihisa engraved
2017/01/16
Tanto in Shirasaya(NBTHK Hozon paper)
Signature : Shi Masamine Saku National humen treasure.
Toshihisa engraved
The blade was polished by the top polisher.
Blade length : 29.4 cm or 11.57 inches.
Sori : 0.2cm or 0.07 inches.
Mekugi : 1
Width at the hamachi : 2.64 cm or 1.03 inches.
Kasane : 0.45 cm or 0.17 inches.
Era : Genda period.
Shape : The blade is very healthy Tanto.
On the sashiomote, double hi are engraved and opposite side, Suken engraved by famous sword Engraver
Jitetsu : Koitame had well grained with jinie attach with small Chikei work.
Hamon : Konie deck Gunome midair with thick nioikuchi and small sunagashi and Kinsuji work.
Boshi is midarekomi saki Togarigokoro.
Special feature : Sumitani Seiho was born Ishikawa prefecture at Taisho 10th year.
For the first stage he must maintain his father's old well established company but he was very interested in making Japanese traditional sword.
So he entered the Universuty of Ritsumeikan and studied about machine engineering and during his study the university established sword making Tanrenjyo (laboratory of making swords) and learned from Sakurai Masayuki.
After graduated the university, he moved Hiroshima Onomichi district and worked at Nihonto Tanrenjyo (making sword factory) After the wold war,
he made his own factory(Tanrenjyo) at Showa 28th (1953) and made many swords especially old Kamakura or Nanbokucho style swords.
He finally made Sumitani Choji midare sword by his own Tatara. At Showa 56, he finally got the title of National treasure (human national treasure).
Also he got the title of Masamune syo prize (the top ranking sword maker's prize) and after that he became a member of NBTHK administration officer.
He was ordered to make a sword for Ise shrine treasure which is the most prestigious assignment.
His sword will be in good condition until permanently stored in the Ise shrine as shrine's treasure.
This sword is elegant shape without kiss and flow nice jigane and also marvelous active hamon.
It looks like Kiyomaro or Samonji.
NBTHK Hozon paper
Aoi Art estimatin paper : whole Oshigata.
price：JPY 700,000-.
