A townhouse-like luxury apartment, this palatial duplex is set in an elite prewar property, two blocks from Central Park in the heart of the Upper East Side. Encompassing an intimate wing of the building, this double-floor-through 9th-and-10th-floor apartment is an expansive, stately home with four spacious bedrooms, 4.5 baths, and extensive living and entertaining space. The main 9th-floor entrance opens into a foyer that connects with the centerpiece of the lower level: the 31-by-18-foot Great Room, a grand parlour with wood floors, decorative fireplace, an original built-in row of bookshelves and ample natural light. There is also a large dining room, breakfast area, bathroom, and kitchen with a washer/dryer in place. A spiral staircase from the foyer leads to the upper level, where four large bedrooms each feature natural light and plentiful closet space; the master suite has a large walk-in closet, decorative fireplace, and oversize bathroom. A roomy library, additional study, and a maid's room with bath round out the upper level. Original prewar details are preserved throughout both levels, including intricate molding, hardwood floors and high ceilings. Extensive storage space includes 20 closets throughout the apartment plus basement storage. With some work the historical beauty of this home can be fully restored. Built in 1912, this historic prewar limestone building is a prestigious Park Avenue property, framed by an Art Deco entrance carving leading into the elegant white marble lobby. The co-op offers white glove doorman service and there is an on-site exercise room. The 6 train and Lenox Hill Hospital are around the corner, with an array of luxury shops and restaurants throughout the nearby neighborhood.