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Koto End of Muromachi period (Tenbun era / circa 1532-) Mino Length of cutting edge 29.4cm Curvature 0.1cm Width of base 27.5mm Thickness of base 5.8mm
NBTHK(Hozon) certificate
Shinto Momoyama period (Keicho era / circa 1596 -) Echizen Length of cutting edge 70.0cm Curvature 1.6cm Width of base 30.5mm Width of Yokote 21.4mm Thickness of base 6.0mm
NBTHK(Tokubetsu Hozon) certificate
with)Black lacquered layskin polish scabbard Uchikatana Koshirae
Koto End of Muromachi period (Eisho era / circa150 -) Chikuzen Length of cutting edge 68.0cm Curvature 2.3cm Width of base 31.5mm Width of Yokote 20.0mm Thickness of base 7.5mm
NBTHK(Hozon) certificate for Katana
with) Gold foiled Byakudan-nuri lacquered scabbard Owari-style Uchikatana Koshirae
NBTHK(Hozon) certificate for Koshirae
Koto End of Muromachi period (Kyouroku 2/1529) Bizen Length of cutting edge 69.1cm Curvature 2.6cm Width of base 30.0mm Width of Yokote 18.7mm Thickness of base 7.0mm
Koto End of Muromachi period (Tensho-Bunroku era / circa 1573-95) Sagami Length of cutting edge 31.1cm Curvature 0.2cm Width of base 29.1mm Thickness of base 5.7mm
NBTHK(Tokubetsu Hozon)
with)Black lacquered polished layskin scabbard Chisa-katana Koshirae
Shinto Early Edo period (Meireki era/circa 1655-) Bungo Length of cutting edge 71.0cm Curvature 2.0cm Width of base 30.7mm Width of Yokote 19.6mm Thickness of base 7.6mm
NBTHK(Tokubetsu Hozon)NBTHK(Tokubetsu Kicho)
with) Black lacquered Bamboo sheath Uchikatana Koshirae
Shinto early Edo period (Shouhou 3/1645) Kaga Length of cutting edge 70.5cm Curvature 1.8cm Width of base 29.8mm Width of Yokote 19.7mm Thickness of base 7.0mm
with)Arabesque flowers Brocade wrap sheath Uchikatana Koshirae
Koto End of Kamakura period (Shochu era/circa 1324-) Higo Length of cutting edge69.7cm Curvature1.5cm Width of base26.8mm Width of Yokote16.7mm Thickness of base6.4mm
with)Black Ro-ro lacquered Spiral pattern scabbard Uchikatana Koshirae
Koto Late Muromachi period (Tenbun era/circa 1532-) Mino Length of cutting edge 72.7mm Curvature 1.8cm Width of base 27.7mm Width of Yokote 20.0mm Thickness of base 7.3mm
with) URUMI-nuri Burgundy lacquered scabbard Tensho-style Koshirae
Shin-shin-to the end of Edo period (Keiou era / 1865-) OwariLength of cutting edge 69.8cm Curvature 1.1cm Width of base 33.0mm Width of Yokote 23.1mm Thickness of base 7.7mm
with)Black laquered Sendan nothces scabbard Uchikatana Koshirae
Contemporary sword early Showa (Showa 16th/1941) Tokyo Length of cutting edge 66.9cm Curvature 1.8cm Width of base 28.8mm Width of Yokote 19.0mm Thickness of base 7.2mm
Koto Nanbokucho period (Ouan era/circa 1368-) Mino Length of cutting edge 63.6cm Curvature 1.5cm Width of base 28.8mm Width of Yokote 20.8mm Thickness of base6.9mm
with)Brushing traces-surface burgundylacquered scabbard Higo Uchikatana Koshirae
NBTHK(Hozon) certificate for Tsuba
Shinto early Edo period (Enpo era/1673-) Bushu Length of cutting edge 75.2cm Curvature 1.5cm Width of Base 29.2mm Width of Yokote 18.5mm Thickness of base 7.9mm
Shinto early Edo period (Kanbun era/1664-) Owari Length of cutting edge 71.1cm Curvature 0.9cm Width of Base 32.3mm Width of Yokote 21.5mm Thickness of base 7.3mm
Unsigned attributed to Ko-Shōami
Sumi-iri rectangular shape, Iron ground, Open work, Hammered surface, Contoured square Mimi edge, Single Hitsuana punch
Muromachi period
77.0mm x 76.0mm 3.8mm thick (Mimi) / 4.0mm thick (Seppa-dai)
Shin-to Early Edo period (Dai) Kanbun-Enpo period 1661- 80 Inaba / (Sho) Bunroku 4 - Keicho 5 / circa 1595-00 Yamashiro (Dai) Length of cutting edge 62.6cm Curvature 1.8cm Width of base 31.1mm Width of Yokote 20.6mm Thickness of base 7.4mm (Sho) Length of cutting edge 47.9cm Curvature 1.3cm Width of base 32.1mm Width of Yokote 28.2mm Thickness of base 6.8mm
(Dai) NBTHK(Tokubetsu Hozon) certificate(Sho) NBTHK (Tokubetsu Hozon) certificate
with) Black lacquered Kairagi Ray-skin polish surface scabbard DAISHO set of mount
(Koshirae)NBTHK(Tokubetsu Hozon) certificate
unsigned attributed to Waki-Goto 脇後藤
Shakudo ground (gold/copper alloy), Katabori carving, Gold/Silver Iroe
40.8mm x 16.0mm 5.5mm thick 4 grams
40.8mm x 17.8mm 5.2mm thick 4 grams