Yes, it is a mandau and hilt and scabbard look quite recent but the blade seems well made. And in my humple opinion I don't think that it is a tourist souvenir, this ones look very different. 
Hope that others with more knowledge about mandaus can tell you more. 
 
Regards, 
 
Detlef
		 
		
		
		
		
		
		
		
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