Original color 14 x 21.25 first printing poster for Big Brother and The Holding Company, Iron Butterfly, and Booker T. & the MG's at the Fillmore and Winterland on April 11-13, 1968, presented by Bill Graham (BG-115). Designed by Patrick Lofthouse and Tom Weir, the poster features a psychedelic pinwheel image of Big Brother and The Holding Company, with Janis Joplin at the top. In very fine condition.
