Palatial Park Avenue duplex in billionaire-beloved co-op seeks $22M
By: Amy Plitt
Published: 9/5/2017Source: CurbedFeaturing Cathy Franklin, Alexis Bodenheimer and Marion Smith's listing at 730 Park Avenue, Upper East Side: https://ny.curbed.com/2017/9/5/16253862/upper-east-side-730-park-avenue-duplex-for-sale