Huge penthouse at Robert A.M. Stern’s Upper East Side condo has a buyer
By: Amy Plitt
Published: 3/12/2018Source: CurbedFeaturing Scott Stewart and Beth Benalloul's listing with Corcoran Sunshine at 20 East End Avenue, Upper East Side: https://ny.curbed.com/2018/3/12/17109186/upper-east-side-robert-am-stern-east-end-avenue-penthouse