Short GUNTO 短寸軍刀 with Tassel, 大反り Oozori, WW2 Japanese Army Officer Sword

This is a short-length Ryakushiki-GUNTO.

The blade has a large curve, which is an unusual style for a GUNTO.

It is believed to be a modified Samurai Blade from the Muromachi period.

Signature : Mumei (Unsigned)
Nagasa : 497mm (19.57 in.) 
Sori : 20mm (0.79 in.) 
Total length : 850mm (33.46 in.) 
Motohaba : 27.9mm (1.10 in.) 
Sakihaba : 20.4mm (0.80 in.) 
Motokasane : 7.6mm (0.30 in.) 
Sakikasane : 5mm (0.20 in.) 
Blade Weight : 489g
Total Weight : 1094g