This is a Kaiken Koshirae, a mounting for a small dagger, which includes a kozuka (utility knife handle). The koshirae features a black lacquered saya with a dark vermillion glossy finish and a samegawa-wrapped tsuka. The overall length of the koshirae is 31.5 cm.
NihontoWatch
We could not find an authenticity certificate on the seller’s listing. Japanese swords and fittings are normally papered by the NBTHK (or the NTHK). Without one, the attribution is the seller’s own assessment and has not been independently verified — treat it with caution and ask the dealer about certification before buying.
This is a Kaiken Koshirae, a mounting for a small dagger, which includes a kozuka (utility knife handle). The koshirae features a black lacquered saya with a dark vermillion glossy finish and a samegawa-wrapped tsuka. The overall length of the koshirae is 31.5 cm.
NihontoWatchWe could not find an authenticity certificate on the seller’s listing. Japanese swords and fittings are normally papered by the NBTHK (or the NTHK). Without one, the attribution is the seller’s own assessment and has not been independently verified — treat it with caution and ask the dealer about certification before buying.