Katana : Hizen Koku Bichu Daijyo Fujiwara Masanaga
Katana in Shirasaya, with Koshirae. (NBTHK Tokubetsu Kicho Paper)
Signature : Hizen Koku Bichu Daijyo Fujiwara Masanaga
Shinto : Chujyosaku : Hizen
The blade was polished
Blade length : 66.6 cm or 26.22 inches.
Sori : 1.2 cm or 0.47 inches.
Mekugi : 3
Width at the hamachi : 2.94 cm or 1.15 inches.
Width at the Kissaki : 2.05 cm or 0.8 inches.
Kasane : 0.63 cm or 0.25 inches.
Era : Early Edo Period
Shape : Suriage Machiokuri katana and it is regular width and thickness.
It has shallow sori and kissaki is long end katana.
Jitetsu : Koitame hada well grained with jinie attached. It has clear Hizen Konuka hada.
Hamon : Nie Deki, gunome midair that reminds of Hizen Masahiro.
It reminds of the summer clouds. There are sunagashi and kinsuji works appearing.
Boshi is round burnt down style.
Special feature : Masanaga has most like studied under Kawachi Daijyo Masahiro.
This piece shows the characteristic of his swords well.
The hamon is like the summer cloud with much activities.
Tsuba : Round shape iron stub with plant design engraved. Echizen Kinai.
Fuchikashira : Fuchi: iron plate with wave and immigrate birds engraved and inlayed with gold. The kashira is stun.
Saya : Black Roiro saya.
Menuki : Iron plate with flower design engraved and inlayed with gold.
NBTHK Tokubetsu Kicho Paper
Aoi Art estimation paper : whole Oshigata.