I would say that it may be early to mid 1800s.  The ganga is separate and curves versus being angled which I have seen on older ones.  I would also say that it is from the Sulu region in origin.  Nice fuller work. 
 
Shame about the hilt.  
 
Try etching the blade and see what comes out.
		 
		
		
		
		
		
		
		
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