Ordering Number: 23808
Tanto in Shirasaya with Koshirae (NBTHK Tokubetsu Hozon Token) (NBTHK Tokubetsu Kicho Token)
Signature: Mumei (Unsigned) attributed to Hasebe (長谷部)
Sayagaki: Hasebe Suriage Mumei
The blade length of slightly over 9 sun 3 bu.
Kunishige
Shiwa32 nen Chushu Kisshin Kanzan shi
written by Dr. Kanzan in Showa 32(1957) in the good day of mid-Autuumn, 1957
Chukoto, Jyojyo Saku, Yamashiro
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.
Habaki: Gold foil double habaki
Blade Length: 28.2 cm (11.10 in)
Curvature: 0.2 cm (0.08 in)
Mekugi Holes: 3
Width at Base: 2.92 cm (1.15 in)
Thickness of Rim (Kasane): 0.49 cm (0.19 in)
Sword Weight: 200 grams
Era: Nanbokucho period, around the Jowa era
Shape: thin mitsumune tanto with slight curve.
Jigane: itame hada well grained.
Hamon:
Features: The Sayagaki appraise the blade as Hasebe Kunishige.
I also think this hamon and the shape of nakago shows the characteristics of Kunishige.
Hasebe Kunishige is famous as oe of “Masamune jittetsu”.
In reality, however, it is unlikely that he was actually a student of Masamune; he may have learned from Hiromitsu or Akihiro.
Koshirae:
Tsuba: Iron Tsuba with an inscription of Yasutsugu (安親). The words of “八幡武大神(Hachiman war god)”. The figure of bow and arrow are engraved.
Fuchikashira and kojiri: Brass with engracing of vine.
Saya:Black Ishime-ji Saya
Kozuka: Brass with engraving of Misu blinds.
Kogatana: There is an inscription of Yasutsugu.
Menuki: carving of a cow and a person
NBTHK Tokubetsu Hozon Token
NBTHK Tokubetsu Kicho Token
AoiArt estimation paper
Whole Oshigata
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