Certified Guaranty Company (CGC) is a leading third-party grading service for comic books, magazines and other collectibles. Learn more >
Verify CGC Certification
What is CGC Certification Verification?
Enter a collectible’s CGC certification number (highlighted in the image) to confirm its description in CGC's database. This tool can help you to verify that your CGC holder is genuine and has not been tampered with.
Onsite Grading is now a feature on our Online Form!
Use our Online Form to get your books back first when you drop them off at a show or submit them for Onsite Grading!