Today, Tuesday July 20, Christie's is auctioning never before published photos of the Beatles by photographer Mike Mitchell. He was just 18 at the time when he photographed the band. The black and white collection is expected to fetch an estimated $100,000. This silhouette of "The Fab Four" is estimated to sell for $2,000 - $3,000. Source: Christies
****Update July 22 2011****
The Beatles photos of the band ended up selling for $360,000, which was more than 300% their estimate value! I though tthe estimate seemed low but wow!