Hello Ariel,
	Quote:
	
	
		| Just a query: would it be correct to assume that the kris blade is laminated  thru and thru and the dark edges are the result of differential tempering? | 
	
 No, most kris blades are of sandwich construction with a central layer of hardened steel (dark after staining) and laminated mild steel as outer layers (lighter areas).
Regards,
Kai