A Christie's auction house employee holds a previously unseen photograph of the first US performance of The Beatles at the Washington Coliseum in 1964 during the press view of the forthcoming sale of 'The Beatles Illuminated: The Discovered Works of Mike Mitchell' in central London, on June 10, 2011. The photograph is expected to fetch between GBP 1,200-1,800 (dollars 2,000-3,000 or euros 1,370-2,050 ) when it is auctioned in New York on July 20, 2011. AFP PHOTO / CARL COURT (Photo credit should read CARL COURT/AFP/Getty Images)
