Walker Art Center. In the Spirit of Fluxus Exhibition Poster. Minneapolis: Walker Art Center, 1993. Exhibition poster, offset lithograph, 24 by 36-inches. Tiny creases to the upper right and lower left corners, a few faint creases and rub marks here and there. A lovely copy featuring the mixed media image George Maciunas by Emmett Williams from his 1992 “Twelve Portraits” series. An influential show whose catalogue won the International Association of Art Critics Award. First Edition.