Hirazukuri Wakizashi, Noritsugu signed Fuchi, 鱮腹茎 Tanagobara-Nakago, with Kozuka

Muromachi period.
The Nakagojiri is Tanagobara(タナゴ腹), a style seen in Muramasa and his school.
The Fuchi depicts a brave bullfighting and is signed Noritsug(則次).
The Scabbard is Aogaimijin(青貝微塵), with small crushed shells embedded in it.
It comes with an iron Kozuka depicting a horse.

Signature : Mumei (Unsigned)
Nagasa : 333mm (13.11 in.) 
Sori : 6mm (0.24 in.) 
Total length : 630mm (24.80 in.) 
Motohaba : 27.9mm (1.10 in.) 
Sakihaba : 21mm (0.83 in.) 
Motokasane : 6mm (0.24 in.) 
Sakikasane : 4.4mm (0.17 in.) 
Blade Weight : 243g
Total Weight : 605g