"""This image provided by Christie's auction house shows the painting """"Blackwell's Island"""" by Edward Hopper. Painted in 1928, it's been exhibited in major museums, including New York's Museum of Modern Art, The Whitney Museum of American Art and the Museum of Fine Arts in Boston. The painting of Roosevelt Island, once known as Blackwell's Island, in New York City will be auctioned May 23 at Christie's, where it's estimated to sell for up to $20 million.  (AP Photo/Christie's)"""
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