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					Originally Posted by Battara
					
				 
				On this nice Sulu early kris, I would try ferrous cloride etchant next.   
 
Another possibility is that it is not laminated after all.  I have a 18c blade which is also Sulu (perhaps Tawi-Tawi) and it does not show any laminations either, never mind twist core. 
			
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 Hi thanks for your advice , i think i might try ferrous cloride , its worth a go.
i do like this little sword whether its laminated twist core or not its a very tactile piece