As noted in the ASAC article. there were other makers making similar swords.  The Potter swords were made to a pattern satisfying British wants, so it stands to reason they mimic the English swords. 
 
Look also to the Hanoverian influences to the egg shape pommels and slotted hilts. 
 
Cheers 
GC
		 
		
		
		
			
		
		
		
		
		
		
		
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