clearly a lambe gajah sword, from Sumatra and most probably from Lampung but the style of the handle is somewhat closer to Palembang style 
 
not pedang sabet or alameng, this type is evolved in Sumatra and the "kembang kacang" is called "elephant's trunk and mouth" hence the name "lambe gajah" - elephant's mouth 
 
regards 
Donny
		 
		
		
		
		
		
		
		
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