Hello Alan, 
The sampir of this kris was replaced by the Dutch seller, it was in sampiran/ bancihan/ jamprahan style originally. 
I have no clue about the origin of the pendok as well but it is nicely made.  
The blade & hilt are probably from Lombok indeed. The stones on the uwer seem to be low quality rubies, these are quite commonly found with good quality silver uwers.
		 
		
		
		
		
		
		
		
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