Tanto in Shirasaya (NBTHK Hozon paper)
Signature : Hiromasa
Suekoto : Jojo saku ranking : Sagami
(We divide 4 sections for each sword as Saijo saku, Jojo saku, Jo saku and regular saku)
This sword belongs to Jojo saku ranking.
The blade is polished by high ranking polisher.
Habaki : Daitsuki style Habaki using solid gold plate on the base with Imperial family crest engraved.
Blade length : 22.5 cm or 8.86 inches.
Sori : 0 cm or 0 inches.
Mekugi : 1
Width at the Hamachi : 2.26 cm or 0.89 inches.
Kasane : 0.60 cm or 0.24 inches.
Era : Late Muromachi period around Kansho era (1461-1466)
Shape : The blade is Kissaki-Moroba style Tanto.
Jigane : Ko-Itame-Hada very well grained with Jinie attach and blight Utsuri appear.
Hamon : Nioideki Choji Midare and Gunome Midare mixed with Ashi, Yo and also Tobiyaki work like Hitatsura Hamon bright and clear temper line.
Special feauture : Hiromasa is a stream of the Hiromitsu and worked Muromachi period Kansho era.
Hiromasa is well known Soshu swordsmith.
Not on this blade but he engraved Kenmaki-ryu (dragon twisting toward to the sword) very often because for religion purpose.
Most of the blade forged by him are Tanto.
This Tanto is having very active Hitatsura Hamon on the clean nice Jigane.
Many Kissaki-Moroba style swords were made at Bizen province on late Muromachi period, but it is difficult to find such style of the blade at Soshu province.
Kissaki-Moroba style swords are having special meaning for imperial family.
Katana called ‘Kogarasu-maru’ is one of ‘Gyobutsu’, the imperial treasure. Kissaki-Moroba style originate to this Kogarasu-maru and this sword was granted to the supreme commander someone going to subjugate the enemy of imperial court from ancient ages.
Nad from engravement done to Habaki, this blade seems to be owned by person concerned imperial court nearby emperor.
Previous owner said that this tanto belonged to royal family.
We recommend this top ranking Moroba Zukuri Soshu Tanto with unusual style.
NBTHK Hozon Token.
Aoi Art estimation paper : whole Oshigata.