Wonderful thread
			 
			 
			
		
		
		
			
			Dear Colin, 
 
I can contribute absolutely nothing of worth to your original query, but I have found the sword, and the resulting discourse of great interest. 
 
Many thanks for posting it up, and to everybody else for the enlightening discussion. 
 
Kind regards, 
 
Chris
		 
		
		
		
		
		
		
		
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