Just a side comment: as per Elgood, pinned handles might have originated in S.India/Deccan, and NW India was chock full of them. 
 
You are absolutely correct to be careful about the Afghani origin: pinned handle  is perhaps the weakest attributative sign. IMHO, only the “pulwar” handle and the system of blade fullers  can provide decent evidence.
		 
		
		
		
		
		
		
		
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