As of Novemeber 2011, all Au's will have the date they are issued , AMEX clearly stated no more backdating on AU. Hope this helps.
CC: Amex Green, Amex PRG, Amex BCE, US Bank Visa Sig Cash, Pen Fed Platinum Rewards, Chase Freedom, Discover More, Cap One Cash Rewards, BB Reward Zone MC, Barclays Rewards, Regions Platinum, Care Credit, Sears, JC Pennys, Shell.
TU ( MFICO 8/11/12 ) 786
EQ ( MFICO 8/11/12) 799
EX ( DIS 8/12/12) 856
