A dramatic and one of a kind nine-room duplex featuring four to five bedrooms, five full bathrooms, two wood-burning fireplaces and five rooms facing Park Avenue is on the market for the first time. A semi private landing leads to this extraordinary residence. Enter into a center gallery that opens to the Park Avenue facing living room with a wood- burning fireplace, a formal dining room facing Park Avenue and a Library/Den that also overlooks Park Avenue with an adjacent full guest bath.  Additionally off the gallery is a spectacular 25-foot windowed eat-in kitchen. This chefs dream kitchen is magnificently renovated with top of the line appliances:  48" Subzero, Wolf six-Burner range with a grill, two ovens, an externally vented hood, convection/microwave oven and a steam oven. Sprawling counter tops, abundant cabinet space, an island and a floor to ceiling built-in china cabinet define this amazing kitchen with easily room for six to dine. Completing this floor there is a tucked away bedroom with an en suite bath. Upstairs on the fourth floor is the primary suite which features a rarely seen foyer entry to the bedroom that is lined with hidden closets. This grand corner primary bedroom faces Park Avenue and has a wood burning fireplace, a dressing room with vanity table & sink, a walk in closet and a full windowed bath. The second bedroom, also on Park Avenue, has an en suite windowed bath. The third bedroom is a corner room with a full windowed bath, and the fourth bedroom is adjacent to the third bedroom and bath. This home contains all the important lifestyle features: central air, washer and a vented dryer, tremendous closet space throughout and a huge private storage room in the basement that is 19 feet x 7 feet that can only be described as a gift. 1001 Park Avenue has a charming, perfectly restored, original lobby, which sets the tone of this unique Park Avenue residence. This quiet and elegant 1920s building houses twenty-two residences, full time doorman, porter, handyman and resident superintendent. An established cooperative perfectly situated on the northeast corner of Eighty-Fourth Street on the heralded Upper East Side