Professional Sports Authenticator (PSA) is the largest third-party trading card authentication and grading company in the world.
1991–2016[]
2016–present[]
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.svg "Professional Sports Authenticator 2016 (Print).svg (6 KB)")
Print variant
.png "Professional Sports Authenticator 2016 (Alt).png (20 KB)")
Alternate variant 
.png "Professional Sports Authenticator 2016 (25 Years).png (24 KB)")
25th anniversary
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Professional Sports Authenticator
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