John Richardson’s Flatiron Co-op on the Market for $7.2 Million by BY VIVIAN MARINO Posted on October 11, 2019 by listallproperties 0 Flares Filament.io 0 Flares × By BY VIVIAN MARINO The art historian and celebrated Picasso biographer died earlier this year. His extensive art collection is also slated to be sold. Published: October 11, 2019 at 06:01AM from NYT Real Estate https://ift.tt/2pbQQXt via IFTTT