sinto : Cyojyosaku ranking : Houki province.
The blade was polished.
Blade length : 45.1cm or 17.75 inches.
Sori : 0.7 cm or 0.27 inches.
Mekugi : 1
Width at the hamachi : 2.98 cm or 1.17 inches.
Width at the Kissaki : 2.11 cm or 0.83 inches.
Kasane : 0.6 cm or 0.23 inches.
Era : Edo period Kanbun era.
Shape : The blade is regular size with longer kissaki.
Jitetsu : Koitame had well grained with jinie attach nice Jigane.
Hamon : Niedeki wavy notare hamon.
Boshi is round shape.
Special feature : Harima Daijyo Fujiwara Masatsuna was working at Hoki province.
He was engraved Masahiro for the first time and then engraved Masatsuna.
He was called Yumikezuri sinsaburo.
He used very nice iron sand which was produced at Shimane province.
Tsuba : On the round shape iron Tsuba, dragon and waves are engraved with gloss color.
Fuchikashira : On the shakudo Nanako plate,
Aoi leaves are engraved with gold copular.
Saya : Black rigor saya.
Menuki : A cow is engraved by shakudo plate.
NBTHK Hozon paper.
Aoi Art estimation paper : whole Oshigata.