Katana in Shirasaya(NBTHK Tokubetsu Hozon paper)
Signature : Awataguchi Omi Kami Tadatsuna(2nd generation)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saku)
The blade was polished
Blade length : 63.0 cm or 24.80 inches.
Sori : 1.6 cm or 0.62 inches.
Mekugi : 1
Width at the hamachi : 3.2cm or 1.25 inches.
Width at the Kissaki : 2.31 cm or 0.90 inches.
Kasane : 0.76 cm or 0.29 inches.
Era : Edo period around Genroku era.
Shape : Wide and thick blade with deep Sori. Kissaki is long.
Jitetsu :Ko-Itame Hada well grained with Jinie attach.
There are Chikei. This is nice Osaka Jigane.
Hamon : Nie Deki, deep Nioikuchi large Gunome Midare, Doranba.
In Ha, there are Sunagashi and Kinsuji. Boshi is round Hakikake shape.
Special feature : 2nd generation Tadatsuna succeeded
from his father first generation.
First generation is quite well known sword maker for making Horimono(engrave)
on the sword. Gnenraly his hamon is Ashinaga Choji midare (long legs hamon)
with a lot of sunagashi in Ha. But sometimes he made elegant active
Doranba (large gunome midare) like this sword.
We recommend this blade very much.
NBTHK Tokubetsu Hozon paper.
Aoi Art estimation paper : whole Oshigata.