Manhattan sophistication at its finest. This 7 room duplex inside a 1901 limestone 25' mansion, built by Carrere and Hastings, defines turn of the century elegance. The sun-filled duplex is replete with custom details. Every room has coffered ceilings, antique crown molding, and handcrafted mahogany, renovated like an 1880s London townhome. A key elevator arrives on the 3rd floor, opening to a grand foyer, generous living room with Juliet Balconies, marble wood burning fireplace, wet bar, powder room, media alcove and two bedrooms. The master bedroom is complete with a wood burning fireplace, 3 Victorian windows, custom closets, and an ensuite marble bathroom with double sinks, Jacuzzi bathtub, steam shower and heated floors. Adjacent to the sunny alcove, bookshelves open to the hidden second bedroom with an ensuite marble bathroom and a heated floor. A mahogany staircase leads to the second floor. The windowed Chefs kitchen is wrapped in beveled glass cabinets and includes Thermador and Gaggenau appliances. There is a separate full laundry room. The sundrenched dining room with an antique limestone wood burning fireplace, a complete butlers pantry and spacious library make this fabulous for entertaining. Luxury for the most discerning buyer looking for a truly timeless home. FLEXIBLE CO-OP. BOARD APPROVAL IN 2-3 DAYS! FOREIGN BUYERS ALLOWED