CSG-graded 1990 Donruss Nolan Ryan Error Card Teaches a Lesson

CSG-graded 1990 Donruss Nolan Ryan Error Card Teaches a Lesson

With sports cards, not all errors are rare or equal. Learn more >

CCG Soared to New Heights in 2021

CCG Soared to New Heights in 2021

CSG and the other CCG companies certified over 9 million collectibles in 2021. Learn more >

CSG Grades Another Prized LeBron James Rookie Card

CSG Grades Another Prized LeBron James Rookie Card

James' rookie card has quickly become one of the hobby's most desirable basketball cards. Learn more >

CSG Grades Classic Hulk Hogan Card On-site at Tampa Collectors Con

CSG Grades Classic Hulk Hogan Card On-site at Tampa Collectors Con

A coveted card featuring one of professional wrestling’s all-time greats was certified at the show. Learn more >

Photo Op with Randy Arozarena and His CSG-certified Rookie Card

Photo Op with Randy Arozarena and His CSG-certified Rookie Card

The American League Rookie of the Year stole the show at Collectors Con like he steals homeruns. Learn more >

CSG Sports Card Grading for the Win!

CSG uses world-class expertise, advanced technology, innovation and operational excellence to provide superior sports card certification services.

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What is CSG Certification Verification?

This tool can help you to verify that your CSG holder is genuine and has not been tampered with. It can also be a useful starting point to research your CSG-certified sports card.

Simply enter a card’s CSG certification number (highlighted in the image) to confirm its description and grade in CSG’s database and view images of the holdered card taken by CSG.

You can also scan the QR code above the CSG certification number with your phone.

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Enter your package’s tracking number to confirm whether it has been delivered to CSG's facility.

Who We Are

Our team of professional and passionate sports card graders have decades of experience, backed by advanced technology.

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Our Holder & Label

The CSG holder and label combine superior display, crystal-clear optics and numerous security features.

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Sports Cards We Grade

CSG grades vintage and modern baseball cards, basketball cards, football cards and most other sports card types.

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Our Guarantee

The CSG Guarantee of authenticity and grade is the strongest in the sports card certification industry.

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Interact with other sports card collectors by posting on the CSG Chat Boards.

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