Fuyuhiro 冬広 Shobuzukuri TANTO, Raijin Kozuka 雷神小柄, Muromachi period

Comes with an NBTHK Certificate.
Made of iron. The Kurikata features a cicada and a dragonfly (Kachimushi 勝虫), while the Fuchikashira features a cow and a boar.

Signature : Mumei (Fuyuhiro)
Nagasa : 278mm (10.94 in.) 
Sori : 4mm (0.16 in.) 
Total length : 490mm (19.29 in.) 
Motohaba : 25.9mm (1.02 in.) 
Sakihaba : 18mm (0.71 in.) 
Motokasane : 5.3mm (0.21 in.) 
Sakikasane : 4.8mm (0.19 in.) 
Blade Weight : 194g
Total Weight : 518g