Wakizashi in Shirasaya(NTHK estimation paper)
Signature: Oumi no Kami Tadayoshi.
The blade was polished.
Shinshinto Jo saku. Hizen province.
Blade length : 44.5 cm or 17.51inches.
Sori : 0.9 cm or 0.35 inches.
Width at the hamachi : 2.94 cm or 1.15 inches.
Width at the Kissaki : 2.09 cm or 0.82 inches.
Kasane : 0.65 cm or 0.25 inches.
Era : Late Edo period.
Shape : The blade is rather wide and thick healthy blade.
Jitetsu :Koitame had well grained with jinie attach nice Konuka had which is typical Hizen Jigane.
Hamon : Niedeki suguha with small ash.Boshi is round shape.
Special feature : umi Kami Tadayoshi belonged to 5th generation Tadayoshi
and this sword is 6th generation from the signature.
The blade has typical hizen konuka had.
The signature is slightly different from 6th generation.
The blade passed NTHK paper.
NTHK estimation paper.
Aoi Art estimation paper : whole Oshigata.