Very Thick YOROIDOSHI 鎧通, Oni Menuki 鬼目貫, Kasane 11.3mm(0.44in)

Edo period.

It has a very thick blade. Kasane 11.3mm.

Please see the photo comparing the thickness with another Tanto, and pay attention to the size of the Habaki.

Signature : Mumei (Unsigned)
Nagasa : 204mm (8.03 in.) 
Sori : 0mm (0.0 in.) 
Total length : 470mm (18.50 in.) 
Motohaba : 22.5mm (0.89 in.) 
Sakihaba : 12.7mm (0.50 in.) 
Motokasane : 11.3mm (0.44 in.) 
Sakikasane : 5.2mm (0.20 in.) 
Blade Weight : 184g
Total Weight : 467g