On November 15, Sotheby’s will auction off the Macklowe Collection, a group of 65 works expected to exceed $600 million, with stellar examples by Mark Rothko, Andy Warhol, Alberto Giacometti, Cy Twombly and Gerhard Richter. The Macklowe Collection was amassed over fifty years by the real-estate developer Harry Macklowe and his former wife, Linda (they divorced in 2016). Five of the top ten priciest works offered this fall are from the Macklowe Collection, including Mark Rothko’s No. 7 from 1951 and Alberto Giacometti’s sculpture Le Nez. The Rothko is a particularly beautiful and luminous example of his floating “slab” paintings in pink, yellow and orange and is expected to exceed its pre-sale estimate of $70-90 million. The Macklowes were known to buy the best of the best, often paying top dollar for museum-quality works. Warhol’s Nine Marilyns, for example, is one of only two of the Nine Marilyns still in private hands; all the others are tucked away in museums. The Warhol is expected to exceed its pre-sale estimate of $40-60 million.