This unique mansion features the classic faade designed by renowned architect Robert A.M. Stern. Completely renovated and impeccably maintained, this almost 12,000 sq. ft. townhome includes a 1,150 sq. ft. professional space with its own separate Park Avenue entrance which can be combined with the main residence. Among the many highlights of this extraordinary home are a dramatic double-height living room, 14 ft. ceilings, and a wall of glass overlooking Park Avenue. There are six bedrooms, six full baths and two powder rooms, paneled library, formal dining room, gourmet windowed eat-in kitchen, luxurious private master suite with two working fireplaces and a spa-like master bathroom. A four passenger elevator, abundant closet space and handsome staircase complete this truly one-of-a- kind property.