1503. PETER MAX American pop artist remembered for his psychedelic posters promoting rock bands and events of the 1960's. Great poster in brilliant psychedelic color, 24" x 27", showing Peter Max's Earth Summit Stamp, 1992, boldly inscribed "For Dylan, Love Peter Max" in heavy black marker beneath the image and above the slogan "Make Every Day Earth Day!". Very good. $150 - 200