KANMURIOTOSHI 冠落とし TANTO, Kaneuji 兼氏 signed with KOZUKA, Muromachi period

Rare Kanmuriotoshi style blade
Great fittings, Tsuba and Kozuka have Tsuzumi(鼓) on them.
Shakudo Nanakoji Fuchikashira has plum blossoms on them.
Kozuka is signed Bushuishido Hata Morihisa(武州石堂秦守久).

Signature : Kaneuji saku
Nagasa : 271mm (10.67 in.) 
Sori : 1mm (0.04 in.) 
Total length : 550mm (21.65 in.) 
Motohaba : 25.2mm (0.99 in.) 
Sakihaba : 17.6mm (0.69 in.) 
Motokasane : 6mm (0.24 in.) 
Sakikasane : 3.5mm (0.14 in.) 
Blade Weight : 169g
Total Weight : 537g