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					Originally Posted by  Tordenskiold1721
					 
				 
				The only small stamp that this photo magnefies on the inside of rusty greasy barrels are number 4 as seen on this photo. This apears to be assemply numbers: 
			
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 Yes, an assembly number, most certainly. Could you check if the other pistol also has a number in the same place (barrel tang) ?