Notice how part of the 8 is thinner than normal. That does not occur on true doubled dies. Go here to see how dies are made and it will help you understand why yours can't be a DDO http://www.coinnews.net/2013/09/13/how-the-philadelphia-mint-makes-hubs-and-dies-to-produce-coins/ Wexler also gives a good explanation on one of the tabs in www.doubleddie.com The best way to recognize doubled dies is to understand the minting and die making process
