Julie Mehretu’s massive painting Dissident Score (2019–21) brought $6.5 million on Artsy last Thursday, setting a record for the artist at auction. Ethiopian-born American artist Mehretu, 51, whose two-decades worth of work is currently on view in a major retrospective at the Whitney Museum of American Art in New York, is known for her large-scale, multi-layered abstracted landscapes. Six international bidders sought Dissident Score, which carried a pre-sale of $3 million to ...