I have to agree with nechesh ,the kris looks like its just showing its lamination,{I have a Moro spearhead with similar although much more faint lamination},left on the battle field or not,I think it would take  hours and hours of soaking in blood before you might possibly have a permanant stain. 
 
I have soaked blades in HYDROCHLORIC ACID  to etch them and still the etch comes off with ease ,I just dont think blood in potent enough to leave a mark on the blade for years afterward.
		 
		
		
		
		
		
		
		
		
			
				  
				
					
						Last edited by Justin; 5th September 2005 at 05:03 PM.
					
					
				
			
		
		
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