AS24548 Katana：Mumei Namonohira (NBTHK Hozon Token)

Katana in Shirasaya(NBTHK Hozon Token)

Signature :　Mumei Namonohira
無銘(波平)

(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.

Habaki :　Copper single habaki with gold and silver color.
Blade length : 71.4 cm or 28.11 inches.
Sori :2.0cm or 0.78 inches.
Mekugi : 2
Width at the hamachi : 3.15cm or 1.24 inches.
Width at the Kissaki :2.19 cm or 0.86 inches.
Kasane : 0.68cm or 0.26 inches.
The weight of the sword 835grams.
Era : Early to middle Muromachi period.
Shape : Wide and thick Katana with deep Sori. The Kissaki is large.
Nice shape Katana.
Jigane :　Itame Hada, O-Itame Hada, and Mokume Hada well grained with Jinie attach.
It is visible to see the texture.
Hamon : Suguha Hamon with many Ko Ashi.
Boshi is round, Hakikake and Yakizume style.

Special feature: The blade is judges as Naminohira by NBTHK.
The shape is almost Ubu style. The blade is wide and has large corveture. The Kissaki is magnificent. There are some Homare Kizu on the blade. It is reminiscent of the fierce battle.

From Aoi Art: It is a well shaped Katana that is long enough and has a large Sori. There are some Uchi Kizu on the blade. This Katana has survived the war and has been passed down to the present day.It is a blade that was liked by the Navy in the early Showa period. It is the same today. There are some Kizu on the blade. But the it is not so serious.

NBTHK Hozon Token
Aoi Art estimation paper: whole Oshigata.