American Express Membership Rewards - AEIMA AMEX Card

I found this card on the ticketmaster website, but can't find it anywhere else.
http://www.ticketmaster.com/amex/gce.html

Does anyone have any information about what it is, and/or benefits?

Thanks,
Matt

AEIMA stands for American Express Investment Management Account. My guess would be that this card is for folks that have an account with the Amex brokerage, and it probably acts like a debit card against the funds there, much like the Fidelity card.