Wakizashi in Shirasaya with Koshirae (NBTHK Tokubetsu Hozon paper)
Signature :(Aoi family crest) Yasutsugu Motte Nanbantetsu(Edo 3rd generation)
Oite Busyu Edo Sakuno.
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saki)This sword belongs to jyojyo saki ranking.
The blade was polished by high ranking polisher.
Habaki :gold foiled double habaki.
Blade length : 55.3 cm or 21.77 inches.
Sori : 1.2 cm or 0.47 inches.
Mekugi : 1
Width at the hamachi :2.93 cm or 1.15 inches.
Width at the Kissaki : 2.17cm or 0.85 inches.
Kasane : 0.59 cm or 0.23 inches.
Era : Edo period Kanbun era.
Shape : The blade is rather wide and regular thickness
with small sori which is called Kanbun style.
Jitetsu :Itame had well grained with jinie attach and chikei work.
Hamon : Niedeki suguha hamon with nezumiashi work.
Boshi is midarekomi hakikake style.
Special feature :2nd generation Yasutugu was called Umanosuke.
but at that time Succession problem occurred inside of the Shimosaka family.
So 3rd generation which succeeded this shimosaka family moved to Edo.
The sword which was made by Umanosuke is called Edo chi
and succeeded 3rd generation Echizen is called Echizen chi.
Generaly speaking Edo saki is much better than Echizen chi.
Yasutsugu was protected by Tokugawa family and permitted to engrave
Tokugawa family crest on the tang of the sword.
And this style continued until late Edo period.
This sword is rather long wakizashi and good blade
and received NBTHK Tokubetsu hozon paper already.
This sword is elegant suguha hamon.
Tsuba:On the round shape iron Tsuba, rise up small mimi(rim)
and engraved waves and battling samurai and waves.
Saya:black roar saya.
Huchikashira:On the syakudo plain plate, a dragon is engraved with gold color.
Menuki: cayenne pepper is engraved by copper plate.
NBTHK Tokubetsu Hozon paper
Aoi Art estimation paper : whole Oshigata.