This poster can be seen in the Michael Jackson Thriller video, directed by John Landis, the creator of this movie.
I always thought it was a joke about how poorly made horror films were made, pure schlock, but came to find out there's a full movie behind that joke.
The public must gain it's share of the revenue for allowing a private company to use public domain IP exclusively.
Hold a yearly auction to see who is granted rights to the property which is now the public's.