Here's a nice assortment of posters by one of the most important artists in rock history, spanning his illustrious career from an underground comic artist to one of the premiere rock poster artists. 1) Griffin Art Exhibition at the Roundhouse (20x29") August 11th, 1976. 2) Harvest Celebration (14x22") Swing Auditorium Thursday March 16th - 19th. 3) 1974 Man "Slow Motion" uncut LP slick proof (21x25"). 4) 1980 Maranatha poster of Jesus Crucifixion (20x25").