Certified Guaranty Company (CGC)

Add value and protection to your comic book collection at Keystone Comic Con 2019! Get information on getting your comics graded onsite by visiting Booth #235. CGC is a leading third-party grading service for comic books, magazines and other collectibles.

CGC’s team of professional grading experts examine each collectible and assign a grade according to a well-established and internationally accepted standard. Each graded piece includes a state-of-the-art holder that combines superior optics and advanced archival materials to provide the best in display and preservation. A tamper-evident seal and numerous security features provides an even higher level of confidence.

Want more information? Visit CGC’s Booth #235 at Keystone Comic Con!


CGC Authentication

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