William Peter Blatty's official AMPAS membership card, signed in pen. Plastic card reads ''2013 / The Academy of Motion Picture Arts and Sciences / William Peter Blatty''. Card is numbered ''1346'' and reads ''Member since 1994''. With Blatty's full autograph to verso. Blatty won an Academy Award in 1974 for his ''Exorcist'' screenplay, based on the novel which he also wrote. Card measures 3.25'' x 2.25''. Near fine.