Sotheby’s Secures $70 M. Giacometti Bust for May Auction

Sotheby’s has landed a major prize for its May 13 modern art evening sale in New York: Grande tête mince (Grande tête de Diego), a 1955 bronze bust by Alberto Giacometti, estimated at more than $70 million.The work was hand-painted by the artist as a tribute to his brother Diego, Giacometti’s lifelong muse and studio assistant. It is the most high-profile lot announced so far for the spring auctions, exceeding a Piet Mondrian painting, estimated to sell for arou