These are the most valuable comic books in the world. Value ... Superman are included in the 64-page book from 1939. But that cover art is awesome. A 9.0 grading may have also been the 80-year-old ...

It means the issue of Action Comics #1, which sold for 10 cents when it was released in 1938, is the world's most valuable comic book. The comic includes the story of Superman's origins and is ...