12.18.2004
Earn Triple Miles for every eligible Delta purchase with your Delta SkyMiles® Credit Card or Delta SkyMiles® Business Credit Card
"you can earn Triple Miles for every eligible Delta purchase of $265 or more you make with your Delta SkyMiles® Credit Card or Delta SkyMiles® Business Credit Card from American Express from February 15 to March 15, 2005. To be eligible for this promotion you must enroll using your Delta SkyMiles Credit Card account number (the 15-digit number on your Card). Please have your Card available when you enroll, as you will also need your Card ID number (the 4-digit number printed above your account number on the Card)."