Signature : Mumei (Unsigned)
The blade was polished.
Blade length : 43.0cm or16.93 inches
Width at the hamachi : 2.81 cm or 1.11 inches
Nakago length : 40.0 cm or 15.75 inches.
Era : Edo period.
Shape : a Ryo-shinogi yari.
Jitetsu : Itame-hada. Fukure and several kitae-ware appear on the surface.
Hamon : Nie-deki Suguha-hamon includes delicate niju-ba, fine ashi and yo.
Saya: A reddish urushi-nuri saya.
Metal fittings on the saya: Hollyhock crest with arabesque pattern.
Kuchigane: made of copper.
Tsuka: Unpainted wood handle.