Lot 2: CHÉRI SAMBA (b. 1956), “Une Vie Ratée ( A Successful Life), 1995 (acrylic on canvas). | Estimate 20,000-30,000 pounds ($25,844-$38,766). Sold for 52,500 pounds ($67,841 including fees)   SOTHEBY’S IS HOLDING ITS FIRST-EVER modern and contemporary African art sale May 16 in London. Featuring more than 60 artists from 14 countries, the selection...