unsigned attributed to OUNIN
Round shape, Iron ground, Hammered surface, Brass inlay in Takabori style, Square Mimi edge, Single Hitsu-ana punch
71.2mm x 70.6mm 3.6mm thick (Seppa-dai)
unsigned attributed to Cho-shu
Round shape, Iron ground, Polish surface, Gold/Silver inlay in Hira-zougan style, Square Mimi edge, Both Hitsu-ana punches filled by Shakudo
82.1mm x 82.0mm 5.0mm thick (Seppa-dai)
NBTHK(Tokubetsu Hozon) certificate
Shinto early Edo period (Kanbun 3/1663) Owari Length of cutting edge 74.9cm Curvature 1.6cm Width of base 33.8mm Width of Yokote 24.3mm Thickness of base 7.5mm
with) Rapeseed coating Burgundy lacquered scabbard Uchikatana Koshirae
NBTHK(Hozon) certificate for Tsuba
Contemporary sword (Reiwa 4th/2022) Kumamoto-pref. Length of cutting edge 26.9cm Curvature 0.2cm Width of base 31.1mm Thickness of base 6.4mm
Shinto early Edo period (Manj era / circa1658-) Hizen Length of cutting edge 70.6cm Curvature 1.6cm Width of base 30.5mm Width of Yokote 21.5mm Thickness of base 6.6mm
with)Black Ro-iro lacquered Japanese bush clover and Dragonfly high relief Taka-Makie scabbard Uchikatana Koshirae
Koto latter hald of Muromachi period (Eisho era/circa 1504-) Owari Length of cutting edge 24.2cm Inward Curvature Width of base 25.5mm Thickness of base5.5mm
NBTHK(TokubetsuHozon) certificatereported in Nihonto Zuikan Koto-hen
Shin-shin-to End of Edo period (Bunkyu era/circa 1861-) Iyo Length of cutting edge : 75.8cm Curvature : 1.8cm Width of base : 33.1mm Width of Yokote : 22.0mm Thickness of base : 8.0mm
NBTHK(Tokubetsdu Hozon) certificate
with)Blown stone finish lacquered scabbard Kobusho style Uchikatana Koshirae
Koto the latter half of Muromachi period (Meiou era/1492-) Sagami Length of cutting edge 21.8cm No Curvature Width of base 21.6mm Thickness of base 8.1mm
NBTHK(Hozon) certificate
with) Tsuba combined scabbard Uruminuri-dimmed brown lacquered willow pattern Tanto Koshirae
Shin-shin-to latter half of Edo period (Bunka 10th/1813) BushuLength of cutting edge 70.0cm Curvature 1.9cm Width of base 31.8mm Widtrh of Yokote 19.8mm Thickness of base 8.1mm
NBTHK(Tokubetsu Hozon) certificateReported in Token Bijutsu vol.425
with)Burgundy lacquered scabbard Uchikatana Koshirae mountwith)Black lacquered notches scabbard Uchikatana Koshirae mount