Katana in Shirasaya(We GUARANTEE that the sword will pass NBTHK Hozon Shinsa.)
Signature : Iwakuni Sanroku Seiryuken Moritoshi
Keio 2 nen Hinoe Tora 7gatsu hi(July 1866)
The blade was polished.
Blade length : 69.3 cm or 27.28 inches.
Sori : 1.7cm or 0.6inches.
Mekugi : 1
Width at the hamachi : 3.26 cm or 1.28 inches.
Width at the Kissaki : 2.06 cm or 0.81 inches.
Kasane : 0.73 cm or 0.28 inches.
Weight of blade : 735g
Era : Late Edo period.
Shape : it is wide and thick sword with kissaki rather long. It is good shape katana.
Jitetsu : Koitame hada well grained with jinie attached. It is clear jigane.
Hamon : Nie ground gunome midare with boshi irregular style.
Special feature : Seiryuken Moritoshi was called Iwamoto Kiyouemon.
He was the brother of Chounsai Tsunatoshi. He was trusted by Tsunatoshi so the second generation
Tsunatoshi has been working under Moritoshi. He was a mature man.
He was a personal sword smith of Shuhou Iwakoku han.
His first pieces are gunome midare with some ashi naga shoji midare sen.
This sword is, from the first glance, something that reminds of Koyama Munetsugu.
Unfortunately there is a tiny Kizu in the middle part. But it is not serious.
We GUARANTEE that the sword will pass NBTHK Hozon Shinsa.
Aoi Art estimation paper : whole Oshigata.