Ordering number: 22229
Katana in Shirasaya with Koshirae.(62nd NBTHK Juyo Token)(Koshirae: NBTHK Tokubetsu Hozon Tosogu)
Signature :Mumei (Gojo)
Sayagaki: Gojo Kuninaga. Blade length is 2 Shaku 1 Sun 1 Bu.
Hi is engraved on both side of the blade. Suriage Mumei.
Daikinsu 250 Mai.
Wiitten by Honmami in Meiji 23th.
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Saijyo saku ranking.
habaki: Gold foiled double Habaki.
The blade was polished.
Blade length :63.8 cm or 25.1 inches.
Sori :1.5 cm or 0.59 inches.
Mekugi : 3
Width at the hamachi :2.47cm or 0.97 inches.
Width at the Kissaki :1.5 cm or 0.59 inches.
Kasane : 0.69cm or 0.27 inches.
The weight of the sword 525 grams
Era : Middle of Heian period. Around 1028
Shape : Osuriage Mumei sword with regular width and thickness. Sori is deep but Kissaki is regular. Bohi is engraved on both side.
Jigane :Ko-Itame-Hada well grained, there are some Nagare Hada. Jinie attached finely and thin Chikei and Utsuri worked.
Hamon: Ko-Midare based Ko-Gunome, Ko-Choji mixed.Ashi worked deeply, Ubashiri and Konie attached thinly. Boshi is Hakikake Yakizumi style.
Nakago: Osuriage Mumei, Sakikurishiri, Yasurime, 3 Mekugi hole Mumei
Special feature: This sword is thin Osuriage Mumei, width of Hamachi and Kissaki is different 1cm, Koshizori is left. Ko-Itame-Hada with Jinie. Chikei and thin Nie worked detail. Yubashiri,
Kinsuji, Sunagashi also worked clear. Hamon is Ko-Midare with Ko-Gunome. Ko-Choji also mixed. The sword has full special features of Gojo school.
Koshirae : Tachi Koshira (Tokubetsu Hozon)
Tsuba: Leather Tsuba with Shakudo.
Menuki: Pure gold, a bird is engraved.
From Aoi Art: Heian period sword with Utsubuse shape, Jigane is forged well. Heian period sword is very rare these day. We strongly recommend you this sword.
62nd NBTHK Juyo paper
Koshirae: NBTHK Tokubetsu Hozon Tosogu paper
Aoi Art estimation paper: whole Oshigata by Ayaka Tsuruta