In June 1938, the world was introduced to Superman, the Man of Steel. Back then, there were very few fictional superheroes, and a comic book cost just 10 cents. Today, comic book superheroes are a dime a dozen, and old comic books can sell for more than half a million dollars. Super! Here are the most valuable comic books and their highest known price tags.
1. Action Comics #1 $675,000
2. Detective Comics #27 $525,000
3. Marvel Comics #1 $440,000
4. Superman #1 $400,000
5. All-American Comics #16 $245,000