About CGC

Founded in 1999, Certified Guaranty Company (CGC) is the first independent, impartial, expert third-party grading service for comic books, magazines, lobby cards and photographs. CGC is a member of the Certified Collectibles Group (CCG), an umbrella organization that includes fellow companies Numismatic Guaranty Corporation (NGC), the leading grading service in rare coins, and Paper Money Guaranty (PMG), the leading currency certification service.

All CCG certification companies are committed to grading collectibles with integrity, accuracy, consistency and impartiality. With this proven model of success, CGC is suited to take on the hobby’s unique challenges.

A Commitment to Hobby Enrichment

We are committed to enhancing the collecting experience of a growing number of collectors for decades to come. To accomplish this, CGC will work diligently toward these goals:

To build trust... by increasing the confidence of collectors and new market participants.

To build interest... in the collecting public through education and resource development. By expanding hobby knowledge, we encourage collectors of all levels to explore the hobby and increase their expertise.

To build consensus... around a CGC grading standard based on market-wide research and input from collectors and dealers nationwide.

To build transparency... by revealing the unique characteristics of each collectible we grade.

To build a better market... to provide buyers with expertly and accurately graded collectibles, so they can purchase with confidence, and to assure fair prices for sellers.

More From CGC

CGC authenticates and grades comics CGC offers magazine grading for Sports Illustrated and Playboy magazines CGC’s Signature Series designation means signed comics, magazines and photographs have been witnessed and authenticated.