Koto Nanbokucho through early Muromachi period (- Ōei era/-1427) YamatoLength of cutting edge 23.2cm Inward curavure Width of base 23.6mm Thickness of base 5.9mm
NBTHK(Tokubetsu Hozon) certificate
with)Scabbard covered with gilt kara-kawa leather Aikuchi-style Tanto Koshirae
Shin-shin-to End of Edo period (Keiō era/circa1865- OwariLength of cutting edge 18.9cm Inward curvature Width of base 22.1mm Thickness of base 7.4mm
NBTHK(Hozon) certificate
with)Yagyū-style Tantō Koshirae with Smoked-Leather Katate-maki Hilt
Momoyama period (around Bunroku era / from 1592–) Owari Length of cutting edge 30.0 cm Curvature 0.3 cm Width of base 30.2 mm Thickness of base 6.5 mm
NBTHK(Tokubetu Hozon) certificate
Comtemporary sword (Heisei 9/1997) Shizuoka-pref. Length of cutting edge 31.4cm No Curvature Width of base 33.6mm Thickness of base 7.1mm
with) Brownish grape-colored lacquered scabbard Aikuchi style Koshirae
Late Muromachi period (Daiei 5th/1525) Bizen Length of cutting edge 20.3cm Width of base 23.3mm Thickness of base 7.0mm
Tokubetsu Hozon Tōken certificate
with) Brown lacquered Tezsuna-kizami scabbard Aikuchi Tantō koshirae
Hozon Tōsōgu fitting certificate
Shin-shin-to end of Edo period (Kaei 7th/1854) Mikawa Length of cutting edge 29.8cm Curvature 0.1cm Width of base 28..5mm Thickness of base 8.4mm
