Wow! Gorgeous piece! I'm sure fitting that brass guard piece to the burled wood hilt would have been a bear! 
Small correction:
	Quote:
	
	
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					Originally Posted by Battara
					
				 Yes Kisak, the color difference is in fact due to tempering.
 Robert, they used a lost wax method and then stamped with tools.
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 Color difference is due etch which reveals evidence of the microstructure which results from carbon content and cooling gradient upon quenching as a result of differences in cross sectional thickness.
Scabbard looks great too!