Ordering number : 16549
Wakizashi in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Paper)
Signature : Iyo Jo Minamoto Masatsugu
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyojyo saku ranking.
The blade was polished.
Habaki : Gold foiled double Habaki.
Blade length : 38.7 cm or 15.23 inches.
Sori : 0.8 cm or 0.31 inches.
Mekugi : 1
Width at the hamachi : 3.26 cm or 1.28 inches.
Kasane : 0.62 cm or 0.24 inches.
Weight of the blade : 385 cm
Era : Edo period around Kanei era.
Shape : Wide and thick blade, Hirauchi.
Jigane : Ko-Itame Hada is well grained with Jinie attached, Hada appears well.
Hamon : Looks like Tsunahiro from Soshu. it’s Nie Deki, Gunome Midare, O-Gunome Midare. Sunagashi and Kinsuji apparent well, Boshi is pointed.
Specia Feature: Iyo Jo Minamoto Masatsugu was active in Hizen province around Kanei era.
His first smith name was Masatsugu and the second was Muetsugu.
Most of his works are Nie-deki and flamboyant Hamon.
Saya : black Roiro Saya.
Tsuba : Mokko shape Shakudo Tsuba, dragon is engraved with gold color.
Menuki : dragon
Fuchikashira: Shakudo Nanako, dragon is engraved with gold color.
From Aoi Art : This is Iyo Jo Minamoto Masatsugu’s early work, it’s reminiscent of the works by Tsunahiro from Soshu.
The sword is wide and thick, it’s hard to believe the sword is made Hizen province.
On closer look, something like Hamon seen on the Ji. maybe Masatsugu tried to make Hitatsura.
NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper: whole Oshigata.