Conversation so far:
What kind of hobbies does Steven Spielberg have?
Steven Spielberg hobbies include being a collector of film memorabilia, Spielberg purchased a balsa Rosebud sled from Citizen Kane in 1982.
Did Steven Spielberg purchase any other film relics besides a balsa Rosebud sled from Citizen Kane in 1982?
Steven Spielberg bought Orson Welles's own directorial copy of the script for the radio broadcast The War of the Worlds in 1994.

Question: What other film memorabilia does he own?
Self-contained rewrite: What other film memorabilia does Steven Spielberg own besides Orson Welles's own directorial copy of the script for the radio broadcast The War of the Worlds in 1994?