Warlords of Atlantis {Doug McClure} (1970s) - Movie Poster U.S. 3SH Original British 81"x41" U.S. Three sheet Original Movie Poster issued by the studio when the film was released and meant for theatrical display. This poster has not been Linen Backed. We are absolutely certain it is authentic. Condition: Fair. Artwork clear. Missing paper on bottom corners. Couple of small tears along folds.