The Amex Offer for $25 back on a $200 or more purchase at Newegg has been extended through 2/28/15. Newegg sells a variety of gift cards which will trigger the bonus.
This offer amounts to a 12.5% discount on the purchase of gift cards. You can also earn up to 2% cash back through portals.
Gift Card Categories:
You can check your American Express account to see if the offer is listed or register for the offer via Twitter by tweeting #AmexNewegg from a linked account. Offer terms.
HT: Deals We Like