Comic Collector Ends Up With a “Rare” Action Comics #1 After Grading Error (But It’s Not What You Think)

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Collecting comic books has become much more than just a hobby; it’s now a serious investment. A single comic in excellent condition can be worth as much as a house! This is because rare comics, especially those with cultural importance, are incredibly valuable – some sell for millions. A prime example is Action Comics #1, the first appearance of Superman in 1938, which is considered the birth of the superhero genre and the most valuable comic book ever published. Just recently, in January 2026, a copy graded 9.0 by CGC sold privately for a record $15 million, making it the most expensive item of pop culture memorabilia ever sold. Considering it originally cost only ten cents, that’s an incredible price – and it makes one collector’s recent experience with getting a comic graded particularly amusing.

A Reddit user named IamDrGonzo shared a funny experience with getting comic books professionally graded. He sent in a collection, including a 1988 reprint of Action Comics #1, which was created to celebrate Superman’s 50th anniversary. When the graded comic came back, it received a 9.2 rating, but the label mistakenly identified it as the much rarer and more valuable 1938 edition! IamDrGonzo finds the error amusing and plans to keep the comic with the incorrect label, simply for the story.

The Grading Error Might Have Made the Comic Even More Valuable

Professional comic book grading, primarily done by Certified Guaranty Company (CGC), follows a careful process to ensure each comic is evaluated fairly and accurately while protecting its condition. When a comic is sent to CGC, it’s assigned a unique tracking number and separated from any information about the owner to keep the grading unbiased. Multiple CGC experts then examine each comic and agree on its condition and grade. Once graded, the comic is sealed in a tamper-evident plastic case—often called a “slab”—which cannot be opened without invalidating the grade. A label on the slab displays the comic’s title, publication date, grade, and other details. This label, and the documented history it represents, is what establishes a graded comic’s worth to collectors.

The grading slab acts like proof of authenticity for a collectible, but in this case, it’s seriously inaccurate. IamDrGonzo received a 9.2 grade for a comic that the label claims is a rare 1938 first edition, which would be an incredible find. There are very few original copies of Action Comics #1 still known to exist – fewer than 100 out of the original 200,000 printed – and even damaged copies sell for over $100,000. A perfect 9.2 grade for a genuine copy would be worth tens of millions of dollars. However, IamDrGonzo actually owns a 1988 reprint, which only included the Superman story and originally sold for 50 cents. These anniversary reprints, in excellent condition, typically sell for between $100 and $200.

Ironically, the error actually makes this book special. A mistake on a CGC grading slab is rare, and it’s a documented error from a highly respected grading company. Plus, the error is now sealed with the comic, making it a permanent part of the collectible. Historically, collectors have always been willing to pay extra for items with unique origins or production errors. While this copy won’t reach the extremely high value of the 1938 first edition, the sealed error likely makes it more valuable than a correctly graded copy.

If you collect comics and have ever had a grading mistake, share your experience in the comments and join the discussion on the ComicBook Forum!

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2026-05-05 14:10