Signature : Tanenaga (not guarantee)
The blade was polished.
Blade length : 71.1 cm or 27.99 inches.
Sori : 1.8 cm or 0.70 inches.
Mekugi : 1
Width at the hamachi : 2.97 cm or 1.16 inches.
Width at the Kissaki : 2.26 cm or 0.88 inches.
Kasane : 0.62 cm or 0.24 inches.
Era : Late Edo period.
Shape : Wide and thick blade. Ookissaki.
Jitetsu :Itame Hada and Mokume Hada mixed with Jinie.
This is beautiful.
Hamon : Nie deki Gunome Midare. In Ha, there are Ko-Ashi.
Boshi is Midarekomi style.
Special feature : Tanenaga worked around Koka era at Izu province.
Tsuba : Ellipse shape iron Tsuba, dragon is engraved.
Fuchikashira : Iron, cherry blossoms are angraved with gold color.
Saya : This Saya looks like cherry branch.
Menuki : Family crest is engraved with gold color.