Wes Wilson (American, b. 1937), "Batman Dance and Film Festival Featuring The Mystery Trend, Big Brother and the Holding Company, The Family Tree, Quicksilver Messenger Service, The Gentlemen's Band, The Great Society, and The Skins," 1966, Bill Graham Presents at Fillmore Auditorium vintage lithographic rock poster in colors, second printing, plate signed lower left center quadrant and dated, with the Union Logo #221 in the lower left corner, sheet: 20"h x 14"w. Exhibition History: "At the Edge of Experience: Psychedelic Rock Posters from the 1960's", Santa Rosa Junior College Art Gallery, November 17 - December 15, 2011