I called Citi and the card that they are issuing is the World MasterCard version.
Current myFICO Scores:03/08/12 EQ: 801 • TU: 801 • Bank of America TU FICO: 822 • Credit Karma Vantage: 873
My Wallet: Amex Business Platinum | Amex SPG (5k) | Amex Delta Reserve (33k) | Citi ThankYou Premier World MasterCard (26k) | Chase Mileage Club Visa Signature (15k)
Sock Drawer: Barclay Ring MasterCard (10k) | Discover More (6.5k) | CapitalOne VentureOne (4.5k) | Macy's | Amex Platinum Personal