And that’s why this comic book is so valuable, with a CGC 9.6 copy selling for an amazing $3,600,000, not only topping this list but holding the record for the most expensive comic book of all time.

I've updated this fine Jerry Stanford list to simply add five more valuable X-Men comic books to the list, while also updating some of the prices.

According to Heritage Auctions, a copy of Action Comics No. 1, the 1938 comic book featuring the first appearance of Superman, sold for $6 million at an auction on Thursday.

The most valuable comic book in the world sold at Heritage Auctions in Dallas, Texas this week. A copy of Action Comic No. 1, the comic book that introduced the world to Superman, was sold ...

The most valuable comic book in the world sold at Heritage Auctions in Dallas, Texas this week. A copy of Action Comic No. 1, the comic book that introduced the world to Superman, was sold ...

The most valuable comic book in the world sold at Heritage Auctions in Dallas this week. A copy of Action Comic No. 1, the comic book that introduced the world to Superman, was sold Thursday for ...