ONIBOCHO 鬼包丁 Hirazukuri Wakizashi, Very Wide Blade, Toranba 濤乱刃, Edo period

The blade is surprisingly wide, measuring a whopping 36.1mm (1.42in) across.
For comparison, we've photographed it next to a standard Tanto blade.
You can see the difference in size. (This Tanto blade is not included with this product.)

Signature : Mumei (Unsigned)
Nagasa : 386mm (15.20 in.) 
Sori : 5mm (0.20 in.) 
Total length : 590mm (23.23 in.) 
Motohaba : 36.1mm (1.42 in.) 
Sakihaba : 22.2mm (0.87 in.) 
Motokasane : 5.9mm (0.23 in.) 
Sakikasane : 4.1mm (0.16 in.) 
Blade Weight : 374g
Total Weight : 658g