2 more examples. 
 
The carving work doesn't look Indo nor Filipino to me, too. The blades don't have a chisel grind making any similarity with Visayan blades spurious IMHO. 
 
Could these blades be from a minority in Nepal and neighbouring areas (Newari, etc.?). 
 
Best wishes, 
Kai
		 
		
		
		
			
		
		
		
		
		
		
		
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