Fake or not?

Art experts compare a newly-discovered painting by Spanish artist Diego Rodriguez de Silva y Velazquez to a book featuring Velazquez’s painting ‘Jaun Martinez Montanes’ in Bonhams auction house in London, England. The previously unknown painting has been confirmed as Velaquez’s work after extensive research by Bonhams and is estimated to sell at auction on December 7, 2011 for GBP 3 million. (Oli Scarff/Getty Images)