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PSA

Professional Sports Authenticator, the most widely recognized and popular third-party card grading service in the hobby. PSA grades cards on a 1-10 scale, with PSA 10 (Gem Mint) being the highest grade. PSA-graded cards typically command the highest premiums on the secondary market due to brand recognition and liquidity. Turnaround times and fees vary by service level.
Example
PSA 10 2003-04 Topps Chrome LeBron James RC
Related Terms
BGS Gem Mint Raw Slab
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