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trusted by collector's since 1996

KSA is proud to offer collector's a long standing tradition of accurate and consistent authentication services for your valued collectibles.

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Services

Professional certification services for all sports and select non-sports items

Card Grading

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Protect your cards for life while adding value.

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Autograph Authentication

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Add confidence and security to your autographed items.

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Appraisal Services

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Protect your investment with a third party evaluation.

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Remember, don't let your collectibles fall to neglect get KSA to certify and protect