Katana in Shirasaya(NBTHK Tokubetsu Hozon Paper)
Signature: Satsuma Kanko Taira Masayoshi
Tenmei 7 Nen Matsu 8 Gatsu(August 1787)
The blade was polished by high ranking polisher.
Blade length : 71.51 cm or 28.15 inches.
Sori : 1.78cm or 0.70 inches.
Mekugi : 1
Width at the hamachi : 3.29 cm or 1.29 inches.
Width at the Kissaki : 2.29 cm or 0.90 inches.
Kasane : 0.74 cm or 0.29 inches.
Era : Late Edo period.(August 1787)
Shape : The blade is wide(3,29cm) and thick with suitable sori and long kissaki nice looking shape.
Jitetsu :Itame had well grained with jinie attach beautiful texture.
Hamon : Nie deck noter and gunome midair up and down.
In Hamon, there are many sunagashi
and kinsuji and also Imozuru work.
Boshi is midarekomi and hakikake style.
Special feature : He studied from Masachika and also his father.
After his father died, he succeeded his family as 3rd.
After he got the title of Houki Kami, He changed his name to Houki Kami Taira Ason Masayuki.
He tried to teach many student during his life.
He passed away Bunsei 12th age 87 years of old long life.
He was compared with one another Motohira who is also famous swordsmith in Satsuma province. These sword makers are referred to as the twin sword makers of the sword world in Kagoshima.
General speaking Satsuma blades are very thick kawagane and small amount of shingane(inside steal). So even if the blade is very rusty, the blade will be good condition after the polished away rusty parts.
The blade is Sosyu style Shizu utushi because the blade has s lot of activities of Sunagashi, kinsuji and Imozuru work.
Sometimes the blades were cut shortened to be changed to Koto blade like Shizu and Sa, Masamune by bad men.
I can say the blade is top ranking high level quality.
Please consider to obtain this great sword.
NBTHK Tokubetsu Hozon paper.
Aoi Art estimation paper : whole Oshigata.