A Shin-shinto aikuchi tanto with iron koshirae | The koshirae - Edo period 19th century

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A Shin-shinto aikuchi tanto with iron koshirae

The koshirae Edo period 19^th century 

Sugata [configuration]: Hira-zukuri with bohi

Kitae [forging pattern]: Ko-mokume in ko-nie deki

Hamon [tempering pattern]: Wide suguha

Boshi [tip]: Komaru

Horimono [carvings]: Bonji, inscribed Katsujinken

Habaki [collar]: Silver 

Koshirae [mount]: The iron koshirae carved, chased and engraved as a dragon, the details well rendered, with a rich patination and gilt details 

Nagasa [length from kissaki to machi]: 37 cm., 14½ in. 

Saki-haba [width at the yokote]: 3.5 cm., 1⅜ in. 

Moto-haba [width at the machi]: 2.5 cm., 1 in. 

The koshirae: 58.5 cm., 23 in.