Ganja, what you have posted here is perfect for a post on tangguh. 
 
You have effectively said:- 
 
in the opinion of Bambang Harsinuksmo this keris is tangguh Segaluh. 
 
I think you have also said:- 
 
in my opinion this keris is tangguh Segaluh and I base this opinion on information obtained from Haryono Haryoguritno and other people with more knowledge of keris than I have. 
 
Nobody could possibly object to this.  
 
Incidentally, from what I can see in the pic, I'd call it Segaluh too, but if we are trying to create a format for future use, we must remain consistent.
		 
		
		
		
		
		
		
		
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