Thank you Antony and the blade looks in Balinese or Lombok style indeed and to have some age.  
Sumsum Buron is a rare Javanese pamor pattern and it does not look very similar to this one (it has 2 versions) but I can't identify it better, may be pamor Srante but only a Balinese expert could confirm it with some certainty. 
Regards
		 
		
		
		
		
		
		
		
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