刀　
銘　（葵紋）康継以南蠻鐵於武州江戸作之(江戸三代)
　　 寛文六年五月八日参ツ胴切落 山野勘十郎久英(花押）

Katana
(Aoi-mon) Yasutsugu nanbantetsu wo motte Bushu Edo ni oite kore wo tsukuru (Edo 3 dai)
Kanbun 6 nen 5 gatsu 8 nichi 3tsu do kiriotoshi,
Yamano Kanjuro Hisahide (Kao)


Musashi province, Kanbun era (early Edo period), about 351 years ago

Ha-cho (Edge length); 76.8cm
Sori (curvature); approx.1.06cm
Moto-haba (width at Ha-machi); approx.3.2cm
Saki-Haba (width at Kissaki); approx.2.1cm
Kasane (thickness); approx.0.76cm

Gold foil double Habaki
It has a wooden case (Shirasaya).

Tokubetsu-Hozon certificate by NBTHK (Edo the 3rd gegeration)