The blade was polished.
Blade length : 27.7 cm or 10.90 inches.
Sori : 1.1 cm or 0.43 inches.
Mekugi : 2
Width at the hamachi : 2.98 cm or 1.17 inches.
Kasane : 0.43 cm or 0.16 inches.
Era : Kamakura period.
Shape : Rather wide and thin, inside curve Tanto. Nakago likes Furisode.
Jitetsu : Ko-Itame Hada well grained with Jinie attach. Likes Rai rough Jigane.
Hamon : Thin Suguha Hamon with Ko-Midare.
Special feature : Originally, this blade was made around Kamakura period.
But the conditon of Nakago is not so good. We guess that this blade was destroyed by fire.
Koshirae : Aikuchi Koshirae.
Fuchikashira, Kurikata, Kojiri : Chrysanthemum with gold color.
Saya and Tsuka : Dark brown Saya with Kizami and blue shell.
Menuki : Copper, dragon is engraved.