MPAA Rating Bumper Rated X Remake (1968-1970) by TheAnthonyCorp on DeviantArt

Rated X (TV Movie 2000) - IMDb

X (MPAA), Rating System Wiki

cinema history - Why would a movie that appears pornographic via it's rating (X) receive an Academy Award? - Movies & TV Stack Exchange

MPAA X18 Rated Logo by JamesMoulton1988 on DeviantArt

FSM Board: Films That Received an X Rating in the U.S.

The Best X-Rated and NC-17-Rated Movies in History

MPAA X Rating Band (1968) [FTD-0199]

TIL the 1983 film Scarface was originally given an X rating three times in a row by the MPAA. On the fourth appeal, the film was finally given an R rating, but

Mary! Mary!, Original One Sheet X Rated Movie Poster

All the X-Men Movies Ranked - IGN