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					Originally Posted by kai
					
				 
				Yup, similar indeed.   
Did you got your example from Hartadi, Detlef?
 
The innermost ring in Gene's example is indented while it is kinda raised/granulated (more similar to the outermost ring) in Detelef's example. I won't quibble though until we have more of these with sound provenance.
 
Regards, 
Kai  
			
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Hello Kai,
yes, my example is from Hartadi.
I have a second similar example which was from Alam Shah identified as well as Sumbawa selut.
Regards,
Detlef