Authentication Services
Who you trust to authenticate your item drastically affects its market value. We review the major Third-Party Authenticators (TPAs).
Top Agencies Ranked
Our evaluation of PSA/DNA, JSA, BAS, and REAL based on methodology, database size, and market acceptance.
Submission Guide
How to prepare, package, and document your items before sending them to a TPA to ensure safe transit and clear chain of custody.
Market Acceptance Table (2024)
| Agency | Primary Focus | Auction House Acceptance | Est. Database Size |
|---|---|---|---|
| PSA/DNA | Sports, Trading Cards, Entertainment | Universal (99%) | > 40 Million |
| JSA (James Spence) | Sports, Historical, Entertainment | Universal (98%) | Undisclosed (Massive) |
| BAS (Beckett) | Sports, Modern Entertainment | High (95%) | Growing rapidly |
| REAL (Roger Epperson) | Music (Rock/Pop/Jazz) | High in Niche | Specialized |
* Acceptance rates derived from survey of top 20 global auction houses conducted Q1 2024.
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