DIE VIELEN GESICHTER DER ROBERT CRUMB

R. Crumb. 2002. Karikatur Museum. Poster. 60 x 90 cm (23 1/2 by 33").

http://www.karikaturmuseum.at/programm/copy4_of_08/die-vielen-gesichter-der-robert-crumb

Very similar to the FATE magazine cover Bigfoot is Everywhere!