Katana in Shirasaya (NBTHK Tokubetsu Hozon Paper)

Signature: Mumei(Unsigned)(Yamato Shizu)

The blade was polished.
Blade length : 69.6 cm or 27.40 inches.
Sori : 1.8 cm or 0.70 inches.
Mekugi: 2
Width at the hamachi : 3.148 cm or 1.23 inches.
Width at the Kissaki : 2.13 cm or 0.83 inches.
Kasane : 0.675 cm or 0.26 inches.
Era : Nanbokucho period.
Shape : This blade is regular sized Osuriage-mumei Katana with rather long Kissaki. Bohi and Soe-bi are engraved on the both sides.
Jitetsu : Itame hada well grained with Jinie and Chikei works. And Masanagare appear.
Hamon : Nie based, Deep Nioikuchi Sukuha and Notare Gunome midare mix. There are many Sunagashi and Kinsuji in Ha. Boshi is Notare and midarekomi style. It looks like a Soshu-den.

Special feature : Yamato Shizu school was a Shizu Saburo Kaneuji and swordsmith
group at Yamato province while Shizu Saburo Kaneuji lived in Yamato province in Nanbokucho period.
Yamato Shizu blades were closer to Yamato blades than Naoe-Shizu school,
and some Yamato-Shizu blades looks like Masamune Jigane and Hataraki.
This Jigane is exquisite. And also this Hamon works is very nice.

NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper : whole Oshigata.