A 1939 "Superman #1" comic sold for a record $9.12 million at Heritage Auctions after three brothers discovered the relic ...

Siblings have stumbled upon the most valuable comic book ever while cleaning their late mother's attic. Three brothers sold ...

Up, up and sold for millions! A high-grade copy of Superman No. 1, from 1939, closed at $9.12 million (with fees) on Heritage ...

Their mother reportedly bought the comic from a newsstand in San Francisco when she was 9 years old with her teenage brother.