Ordering number : AS20052
Katana in Shirasaya with Koshirae.(NBTHK Tokubetsu Kicho Paper)
Signature : Mimei attributed as Yoshii.
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular
This sword belongs to Jyo Jyo saku ranking.
The blade was polished.
Habaki : single habaki.
Blade length : 68.8 cm or 27.08 inches.
Sori :1.6 cm or 0.62 inches.
Mekugi : 3
Width at the hamachi : 2.8 cm or 1.10 inches.
Width at the Kissaki : 1.93 cm or 0.75 inches.
Kasane :0.533 cm or 0.20 inches.
The weight of the sword 570 grams.
Era : Late Nanbokucho period to Ouei era.
Shape : O-Suriage Mumei. Regular width and thickness Katana with deep Sori.
There is a Sanskrit character.
Jigane : Ko Itame Hada and Ko Mokume Hada mixed with clear Midare Utsuri.
The Jigane is beautiful.
Hamon : Nie Deki, rounded Ko Gunome Midare.
Boshi is round and Hakikake style.
Special feature: Yoshi school was swordsmith group in Yoshi area of Bizen province.
(Yoshi area ,Okayama city in Okayama pref.)
Yoshi area was across the Yoshi river from Bizen Osafune area.
This area was protected from Yoshi river’s flood for mountain.
And iron sand material was mined from mountain.
Therefore Yoshi school ramified from Bizen Osafune school.
Saya : Black color Saya with red color pattern.
Tsuba : Round shape iron Tsuba with open work.
The rim is covered with silver.
Menuki : Shakudo, flower is engraved with gold color.
Fuchikashira: Shakudo, wave design is engraved with gold color.
Kojiri: Ajiro pattern.
From Aoi Art: Yoshi school ramified from Bizen Osafune school.
They made unique Hamon. The Jigane is Osafune style. There are Utsuri.
The Hamon is rounded Gunome Midare.
NBTHK Tokubetsu Kicho Token
Guarantee: NBTHK HozonToken.
Aoi Art estimation paper: whole Oshigata.