Navy GUNTO 海軍刀 with Tassel, WW2 Original Japanese Officer Sword

This is a high-quality Scabbard covered in Rayskin.
The tang of the Arsenal Blade has red paint on it, which appears to be a manufacturing mark.

Signature : Mumei (Unsigned)
Nagasa : 652mm (25.67 in.) 
Sori : 17mm (0.67 in.) 
Total length : 990mm (38.98 in.) 
Motohaba : 31.2mm (1.23 in.) 
Sakihaba : 22.9mm (0.90 in.) 
Motokasane : 8mm (0.31 in.) 
Sakikasane : 6.8mm (0.27 in.) 
Blade Weight : 825g
Total Weight : 1581g