
Bishu Osafune Yukihisa — Tachi
Bizen Osafune school
Smith: Bishu Osafune Yukihisa (備州長船幸久)
Signed: Bishu Osafune Yukihisa (備州長船幸久)
Kotō — Muromachi period, Ōei era (1394–1428)
Measurements
Sori
2.6 cm (1.02 in)
Motohaba
2.67 cm (1.05 in)
Sakihaba
1.65 cm (0.65 in)
Kasane
0.56 cm (0.22 in)
Blade Characteristics
Hamon
Gunome and chōji-midare
Hada
Well-forged ko-itame with utsuri; beautiful jigane
Bōshi
Constricted, turns back round
Nakago Notes
Suriage (shortened) tang; 3 mekugi-ana; sayagaki notes former ownership by the Arima family
Mountings & Fittings
Koshirae Notes
Tachi koshirae bearing the Hidari Mitsudomoe family crest applied throughout (60+ instances); considered a late-Edo-period mounting of superior quality, handed down in the Arima family, lords of Kurume in Chikuzen Province
Papers & Documentation
Appraisal Status
NBTHK Tokubetsu Hozon Token
NBTHK / NTHK Notes
NBTHK Tokubetsu Hozon Token; ranked Jōjō Saku. Aoi Art estimation paper with whole oshigata.
Provenance
Listed by Aoi Art (aoijapan.com), Ordering No. 26013
About This Object
A Kotō tachi by Bishu Osafune Yukihisa, a Bizen swordsmith active around the Ōei era of the Muromachi period. Signed works by Yukihisa are few and valuable as reference materials. The accompanying tachi koshirae, bearing the Hidari Mitsudomoe crest of the Arima family (lords of Kurume, Chikuzen), is a prestigious Edo-period mounting.