Support WBURNew Deal Treasure: Government Searches For Long-Lost ArtPlay04:04Download AudioBrian NaylorApril 16, 2014 ShareJohn Sloan's Fourteenth Street at Sixth Avenue hung in the office of Sen. Royal Copeland until his death in 1938. After that, the painting was lost until 2003. (Courtesy of the U.S. GSA Fine Arts Program)