A first-edition copy of Superman No. 1 from 1939 has sold for $9.12 million at Heritage Auctions in Dallas, setting a record for the most expensive comic book ever sold.

Three brothers in California discovered the comic in a cardboard box while cleaning their late mother's San Francisco attic last year, buried beneath layers of newspapers and cobwebs. The sale surpasses the previous record of $6 million set in 2024 by an Action Comics No. 1 issue that introduced Superman to the world.

Why It Matters

The Superman No. 1 comic, released in 1939 by Detective Comics Inc., is among a small number of copies known to be in existence and was in excellent condition.

The Man of Steel was the first superhero to enter pop culture, helping boost the copy's value among collectors, alongside i

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