Stephen Spielberg signed photo; obtained through purchase.  Mr. Spielberg has long been a friend of Mr. Lucas and the influences on each other are tremendous.  As friends, Mr. Spielberg was Stars of Star Wars: Interviews with the Cast, R2-D2 Beneath the Dome as himself, The Unauthorzed Star Wars Story, From Star Wars to Star Wars: The Story of ILM, George Lucas: Heroes and Myths and Magic.