A koto katana
Attributed to Fujiwara Uji Yasumitsu, late Muromachi Period, 16th century
The blade of shinogi-zukuri form, ko-midare ha of nie with some kinsugi, mokume-hada, with single broad bohi to eiher side, the nakago with two mekugi-ana, signed Fujiwara Uji Yasumitsu, in shirasaya; tachi koshirae: the saya of black ishime lacquer; the fittings of silver, all with kirimon among karakusa, the ashi-kanamono partly pierced.
The blade 69.2cm (27¼in) long. (3).
FOOTNOTES
太刀　伝藤原氏泰光　銘藤原氏泰光　附　桐・藤紋蒔絵太刀拵　室町時代後期（16世紀）

With Hozon Token certificate attributing the blade to Fujiwara Uji Yasumitsu.