The scabbard looks to have an almost identical style carving to many kukri scabbards I have seen (perhaps a dozen or more). It's Nepalese alright, at least the scabbard is.  
 
Here are some very similar examples. Images from Google, I hope I haven't breached a rule.
		 
		
		
		
			
		
		
		
		
		
		
		
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