American Express is offering to help its “Platinum” cardholders to find one-of-a-kind holiday gifts that have the “Wow!” factor. How about commissioning one of America’s most respected artists to create a personal masterpiece or having a custom flavor of ice cream designed specifically for that special someone, complete with his or her very own recipe and eponymous brand name or locating designer organic denim and cashmere apparel or trendy twig furnishings made from reclaimed wood? AmEx’s “Platinum Card Concierge” service offers to get gift ideas for every type of person in any category of interest or passion. It can help fulfill virtually any cardholder request, anywhere in the world, from securing hard-to-get restaurant reservations and event tickets to planning a romantic proposal experience or anniversary surprise. “Platinum” cardholders can contact “Platinum Card Concierge” by calling the number on the back of their cards.