This image provided by Christie's auction house shows Edward Hopper's painting of New York City's Roosevelt Island. Titled "Blackwell's Island," it was sold for just over $19 million a

 

              This image provided by Christie
This image provided by Christie's auction house shows Edward Hopper's painting of New York City's Roosevelt Island. Titled "Blackwell's Island," it was sold for just over $19 million at auction on Thursday, May 23, 2013. (AP Photo/Christie's)