The face (ofen with fangs and a mane) are very common on hilt of javanese Pedang lurus. 
In this case the face on the hook of the scabbard looks like a lion drawn by someone who has never seen one. On the hilt It's a mix between a human face and a lion.  
I think that is the lion of the dutch crown, moreover the guard is typically in western style. 
So, it's clearly a fitting from the colonial period with many characteristics and symbols of European origins. 
 
But this is my personal interpretation.
		 
		
		
		
		
		
		
		
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