14.25x20" medium stock printed before the show. "Family Dog Presents" the 13th Floor Elevators and Moby Grape w/lights by Benvan Meter and Roger Hilyard on Nov. 11 and 12, 1966 at the Avalon Ballroom in San Francisco, CA. Image is # 34 in the Family Dog/Avalon series. ©Family Dog1966. "Poster: Steve Renick" credit printed under central image of an eye sitting atop a pyramid that is surrounded by rays. "The Bindweed Press San Francisco" credit in bottom right corner. Obvious visible wear from use showing scattered pin holes in margins, paper loss at all staple holes in borders, 5" lt. bend at bottom center toward right corner in margin and age toning clearly seen in images. VG. The 13th Floor Elevators (formed by Roky Erickson, Tommy Hall, and Stacy Sutherland) had a huge impact on the psychedelic rock movement. The bold imagery and vibrant colors makes this design perfect for the first band credited to define their music as Psychedelic rock.