One of the finest buildings on Park Avenue, designed by famed architect James E.R. Carpenter, this house was built as a cooperative in 1923. Originally a 9 room apt currently configured as a 7 room apartment with 2 bedrooms, 3.5 bathrooms, a library, and a double staff room. The apartment is "one of a kind" and features 3 exposures including a stunning living room and library with a combined 42' expanse overlooking Park Avenues skyline and direct views of 583 Park Avenue. Additional classically proportioned rooms include a 20' x 16' formal dining room with 9.5' ceilings and views of Central Park, a 25'6" x 15'9" living room, 2 Bedrooms with ensuite Bathrooms and a large eat in windowed Kitchen. This apartment has storage sized closets throughout. The apartment has the distinctive "feel" of a house with multiple layout options. This boutique Co-Op offers residents the highest levels of privacy and white glove service. The 14-story building has a four-story limestone base with a large entrance and lobby in the middle of the avenue frontage. The lobby has marble floors and coffered ceilings and offers a grand entrance to one of the most desired Co-Ops on Park Avenue.