this rarely available breathtaking prewar condo duplex penthouse has been occupied by the present owner for 20 years. immaculately maintained, it is truly a work of art and feels like living in a cloud. upstairs, the 500 square foot living room features 11 foot ceilings, pristine white marble slab floors, the original casement windows, and wood burning fireplace. there is a windowed kitchen and bathroom. a 600 square foot planted terrace is accessible from the living room. views to the horizon from new york harbor to the empire state building and midtown. downstairs, the palatial master bedroom occupies the entire floor with bathroom, walk-in closet, and private south-facing planted terrace. this level, like upstairs, features white marble slab floors and the original casement windows. the ceiling height on this level is over 9 feet. the two levels are connected by a sculptural, floating steel and marble staircase. truly a rare and unique offering.