$9.12M Attic Find Shatters Auction Record!

Assorted vintage Superman and Supergirl comic book covers.

A rare Superman comic book discovery in a family attic has shattered auction records, raising questions about the future of collectible markets.

Story Highlights

  • Superman No. 1 comic discovered in a Northern California attic sold for $9.12 million.
  • Highest-graded example by CGC, found in pristine condition by three brothers.
  • Auction facilitated by Heritage Auctions, setting a new record for comic book sales.
  • Sale emphasizes the growing value and interest in rare collectibles.

Record-Breaking Discovery in California Attic

In a remarkable twist of fate, three brothers uncovered a pristine copy of Superman No. 1 in their late mother’s attic in Northern California. This comic, published in 1939, was nestled amidst yellowed newspaper clippings, untouched for decades.

Certified by the Certified Guaranty Company (CGC) as the highest-graded example of its kind, this gem fetched a staggering $9.12 million at auction in November 2025, surpassing previous records and setting a new benchmark in the collectibles market.

This monumental sale was conducted by Heritage Auctions, a Dallas-based auction house renowned for handling high-value collectibles. The auction outcome not only highlighted the financial gain for the sellers but also emphasized the emotional connection to their family legacy. This unexpected find has not only captivated collectors but also underscored the soaring demand for authenticated and well-preserved Golden Age comics.

Importance of Professional Grading

The CGC’s role in authenticating and certifying the comic’s condition was pivotal in achieving its record-breaking sale price. Their grading system provides market trust, ensuring transparency and accuracy for both buyers and sellers.

This has become increasingly important in a market where valuations are heavily dependent on the item’s condition and authenticity. As collectibles continue to capture the interest of high-net-worth individuals, the demand for professional grading services is expected to rise, impacting future market dynamics.

Heritage Auctions, known for their expertise in rare collectibles, emphasized the comic’s unique rarity. Most copies of Superman No. 1 suffered damage due to a cut-out pinup on the back cover, making this pristine find even more extraordinary. The auction house’s involvement not only facilitated the sale but also solidified their reputation in the industry, attracting more attention from collectors and investors alike.

Implications for the Collectibles Market

The sale of Superman No. 1 has far-reaching implications for the collectibles market. In the short term, it is likely to spur increased interest and rising valuations for other Golden Age comics. Long-term effects may include further price inflation and increased scrutiny on the preservation and authenticity of rare items. This sale serves as a reminder of the enduring cultural significance of iconic characters and the potential financial benefits of investing in rare collectibles.

As the collectibles market continues to grow, families with potential hidden treasures may be inspired to re-evaluate their own attics and storage spaces, hoping to uncover valuable pieces of history. This trend highlights the importance of preserving cultural artifacts and the role of auction houses and grading companies in facilitating the exchange of these treasured items.

Sources:

WFTV News, “Up, up and away: Copy of Superman No. 1 comic sells for record $9.12 million,” November 2025