The highly anticipated sale of The Macklowe Collection at Sotheby’s realised a total of $676.1 million on the strength of fresh-to-market masterpieces by the most important artists of the last 80 years. Highlights of the evening included Mark Rothko’s No. 7, which sold for $82.5 million, Albert Giacometti’s Le Nez, which achieved $78.4 million, Jackson Pollock’s Number 17, 1951, which more than doubled its low estimate to achieve $61.2 million, a new artist record, and...