zSOLD FIRESIGN THEATRE UCSC CONCERT POSTER rubber band 1975 Sold! Thanks SO Much PAUL! Firesign Theatre Poster! "Everything you know is wrong". University California Santa Cruz. I would imagine these were made by hand in very limited numbers. I doubt many exist today. I have never before seen anything like it. The statement invokes thought. Extremely interesting conversation piece. Measures 27" x 21". Dated 4-17-75. Mouse over images to enlarge image to the right