Thanks all, 
 
Yes, he made the suassa himself after a receipe I gave him. But he told me that he sometimes used similar alloys himself because it's more durable than gold but didn't know that it had a name. 
Kai Wee, the reason it's so high is that we had to restore the buah pinang. 
Here is the old version of the hilt as I found it. 
 
Michael
		 
		
		
		
			
		
		
		
		
		
		
		
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