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Superman comic found in Northern California attic fetches $9M at auction

The near-pristine 1939 Superman #1 sold for $9.12 million, graded 9.0 by Certified Guaranty Company, becoming the most expensive comic book ever sold at auction.

  • On Nov. 20, 2025, Heritage Auctions sold a 1939 Superman #1 for $9.12 million in Sarasota, Fla., setting a new auction record for any comic book.
  • After their mother's death, three brothers from northern California discovered the issue in their late mother's attic earlier this year.
  • Certified Guaranty Company authenticated and graded the comic CGC 9.0, from DC's first half million print run, with only 209 copies recorded in CGC's Population Report.
  • With the $9.12 million result, Heritage Auctions asked whether a $10 million comic now exists, while The Hollywood Reporter noted prices include a buyer's premium.
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Bleeding Cool News And Rumors broke the news in on Thursday, November 20, 2025.
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