Thai Knife/Sword with Wood Scabbard

This knife or short sword has not been positively identified at this time, but believe it to be from the region of Tibet of Thailand if not some surrounding region in close proximity. Hilt and scabbard are made of wood and carved. The hilt is carved to represent a standing figure, the pommel cap being the head; the scabbard is carved with five faces and two serpents/snakes on either side. Brass ferrule around bottom of grip.
Blade is flat on reverse side, obverse side has a raised medial rib. Single-edged. Blade has a very Japanese appearance.
Good condition with the following major exceptions noted: Grip appears to be slightly bent upward beginning at the tang; longitudinal crack propagating full length of grip body. Piece missing from scabbard drag.
Overall length in scabbard is ~25-1/4"; overall length out of scabbard is ~22"; blade length is ~16-1/2".