Encompassing the entire seventh floor, this tremendous 17-into-14 room simplex affords beautiful Eastern views over Park Avenue and sun filled Southern views over East 66th Street from every principal room. Accessed via a private elevator landing, the immensely gracious full floor apartment is filled with sunlight throughout from four exposures. An elegant 25'6" Gallery with wood burning fireplace leads to a truly impressive suite of Entertaining Rooms which span 65' along Park Avenue and include a beautifully proportioned corner Living Room, an enormous Dining Room and a wood paneled Library. The south facing bedroom wing is set apart from the public rooms by an exceedingly wide 7' gallery hallway. The delightful corner Master Bedroom boasts a wood burning fireplace and enjoys Southern and Western exposures. Additionally there are four spacious and sun flooded bedrooms with en suite baths and ample closets. Completing the gracious layout, there is a vast eat-in Kitchen with a large Butler's Pantry and Breakfast Room as well as an oversized Staff Room. Original architectural details, beautifully proportioned rooms, exceptionally large windows, five wood burning fireplaces and an extremely desirable and expansive circular floor plan characterize this unique and sprawling residence.This exceptional residence truly defines luxury and elegance in apartment living. 640 Park Avenue is superbly located in one of Manhattan's most desirable residential areas on the west side of Park Avenue in the East 60s. It is convenient to Central Park and steps from Madison Avenue and many of New York City's best shops, galleries, schools and restaurants. Constructed in 1914 and featuring twelve full floor residences, 640 Park Avenue was designed by renowned architect J.E.R. Carpenter and is a highly regarded white glove, full service prewar cooperative.