Ordering number: 10475
Katana in Shirasaya with Koshirae(NBTHK Tokubetsu Hozon Token)
Signature : Mumei (Ko Mihara)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku
Jyo saku and regular saku)
This blade belongs to Jyo Jyo Saku ranking.
The blade was polished.
Blade length: 67.3 cm or 26.49 inches.
Sori: 1.3 cm or 0.51 inches.
Width at the hamachi : 2.89 cm or 1.13 inches.
Width at the Kissaki : 2.00 cm or 0.78 inches.
Kasane : 0.55 cm or 0.21 inches.
Era : Late Kamakura to early Nanbokucyo period.
Shape : The blade is suriage mumei, regular width and thickness.
Jigane :Itame hada well grained with jinie attach soft feeling and shirake utsuri appear.
Hamon :Nie deki tight suguha.
Boshi is round shape Hakikake style.
Special feature: Bingo Mihara school is a group of sword makers that prospered
from the end of the Kamakura period to the end of the Muromachi
period. The Mihara school has a strong Yamato temperament,
but it is said that there were many villas and shrines in the country
and there were many exchanges with the central Kinai area. The style
is that Shirake Utsuri appears on Mokume hada and the hamon is
suguha where nioikuchi is tightened, and Bo-shi also has the
characteristic of gently returning to a round shape. This form
continues until the end of the Muromachi period.
Tsuba: Round shape iron Tsuba with openwork. The rim is coverd with Shakudo.
Fuchikashira: Shakudo, cloud design is engraved.
Saya : Aogai Cirashi Saya.
Menuki: Shakudo Nanako, cranes are engraved with gold color.
NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.