Hey guys- can someone help me determine what region these pearls are from, if possible at all? I plan on selling these and trying to find out exactly what I have. The only thing I know is that they are real, they feel gritty. I have some doubt about the black pair, they do feel a bit smooth. 
And other information that can help me determin value would be gaily appreciated.
		
		
	
	
		
	
		
	
		
	
		
	
				
			And other information that can help me determin value would be gaily appreciated.
			
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