1970's X Rating Screen by GrayLord791 on DeviantArt

RetroNewsNow on X: 🎬On November 1, 1968, the Motion Picture Association of America's film rating system was officially introduced with the ratings G, M, R and X / X

A Brief History of the X Rating

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

Hollywood's Battle Against the X Rating, 30 Years Later - The Ringer

The X Factor Hat Rating System

X-Men: Days Of Future Past Includes Nudity According To MPAA Rating

Project X Parents Guide

IPX Rating System: What It Means And Why You Should Know

Every Major Movie That Got Slapped With An X Rating

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