Katana in Shirasaya
Signature : Noshu Seki Ju Hattori Masahiro Saku
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saku)
This Noshu Seki Ju Hattori Masahiro belongs to Jyojyo saku ranking.
The blade was polished perfectly.
Habaki: Single coper with gold color.
Blade length : 62.2 cm or 24.48 inches.
Sori : 1.2 cm or 0.47 inches.
Mekugi : 1
Width at the hamachi : 3.11 cm or 1.22 inches.
Width at the Kissaki : 2.20 cm or 0.86 inches.
Kasane : 0.66 cm or 0.25 inches.
Era : Showa period.
Shape : Wide and thick blade with small Sori.
Jitetsu : Ko-Itame Hada well grained with Jinie attach. . It is clear Jigane.
Hamon : KoNie Deki suguha hamon from Hamachi and then Gunome Midare
from that place to the top of the blade Kissaki area.
The Ha is bright and sharp . Boshi is round shape.
Special feature : Hattori Masahiro is a sword smith of Gifu prefecture during war time.
He was a member of the army technical
sword smith which was ordered to make swords.
This Showa blade was made carefully. The Jigane is well grained
And polishing is also perfect without Kizu and flow.
The blade is in the shirasaya.
As you know the best way to keep the sword in good condition for a long period is
that the blade must be in the shirasaya not in the Koshirae.
Aoi Art estimation paper : whole Oshigata.