You simply have to contact our subsidiary Rail Europe or go to our boutique in London :
Travel Centre is located at 1 Regent Street, London, SW1 (nearest tube Piccadilly Circus)
Opening hours: Weekdays 10am-6pm & Saturdays 10am-5pm (October to May until 4pm), Sundays and Bank Holidays 10am-4pm


I'm not sure it is possible to buy this card ("carte senior") on line... you may have to go in a (french) station !
Clotilde