Ordering number : 13583
Wakizashi(Naginata Naoshi) in Shirasaya(NBTHK Hozon Paper)
Signature : Mumei (Red signature is unknown)(Ko Yoshii)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo Saku ranking.
The blade was polished.
Habaki: Gold and silver double foiled habaki
Blade length : 44.5 cm or 17.51 inches.
Sori : 1.3 cm or 0.51 inches.
Mekugi : 2
Width at the hamachi : 3.03 cm or 1.19 inches.
Kasane : 0.53 cm or 0.20 inches.
Era : Nanbokucho period.
Shape : It is remade Nagamaki shape wakizashi and it is wide.
There is some sori. It is typical Nanbokucho period cut shorten mumei wakizashi.
Jitetsu : Koitame hada well grained with mixture of komokume.
It is clear jigane with jinie attached. There is a clear utsuri seen on the ji.
Hamon : Konie base with kogunome. It is sharp ha.
Boushi is round burned down style.
Special feature : This wakizashi is remade Nagamaki with utsuri seen.
Hamon is konie line with active sunagashi and kinsuji works attached.
Yoshii school was started from the Kamakura period. The founder was Tamenori.
This school was active on the other side of the Yoshii river of Bizen Osafune.
From Kamakura to the Nanbokucho period, it is called Ko-Yoshii.
After the Muromachi period, it is called Yoshii.
NBTHK Hozon Paper
Aoi Art estimation paper : whole Oshigata.