nytimes September 9, 2021 3:01pm A Blue-Chip Art Bonanza: Macklowe Collection Goes to Sotheby’s #art #auctions #sothebys #macklowecollection #mackloweharry #macklowelinda #finances #artanddesign #news A Blue-Chip Art Bonanza: Macklowe Collection Goes to Sotheby’s The trove, which is going on sale because of a court order, includes pieces by Cy Twombly, Gerhard Richter and Andy Warhol, and is valued at more than $600 million.