Last verified: 2026-10-24
PSA Autograph Authentication at Conventions
PSA Autograph Authentication appears at selected US comic and horror conventions for on-site witnessing or mail-in authentication after events. Behind the Table maps which shows use PSA Autograph Authentication and how each program is run at the table.
Graded autograph authentication; common in sports and entertainment memorabilia.
Official site: https://www.psacard.com
Which conventions use PSA Autograph Authentication on-site—and how fees are handled at the table—is mapped in Behind the Table.