An issue of Action Comic No. 1, which introduced the world to the Kryptonian hero, sold at auction for a record $6 million Thursday, making it the most valuable comic book in the world.

Metro Detroit man uncovers one of the largest, most valuable comic book collections in the country 04:55 (CBS DETROIT) - A Metro Detroit father kept a secret for 50 years, but now his son is on a ...

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 ...