twist-core padsumbalin
			 
			 
			
		
		
		
			
			Ron:     While I don't think it could really be called a twist-core as such, it sure is a rare and interesting pattern.  Maybe you should give the blade a polish and a re-etch.  Would really like to see what might appear.  Maybe some type of unknown Moro pattern no one has seen yet????.....Dave.
		 
		
		
		
		
		
		
		
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