MAS vs PSA, Beckett & JSA
An honest look at how MAS Grading stacks up. We deliver the fundamentals collectors expect — and add transparency and in-person grading the mail-in giants don't.
| Feature | MAS | PSA | Beckett | JSA |
|---|---|---|---|---|
| Instant online cert verification | ||||
| Tamper-evident sealed slab | ||||
| Live public population registry | ||||
| Autograph authentication | ||||
| On-site witnessed grading at conventions | ||||
| Same-day pickup with SMS & email alerts | ||||
| Watch your card graded in person |
Comparison reflects each company's primary, publicly offered services and may change. Feature availability can vary by company, product line, and event — always confirm current offerings directly with each provider.
Frequently asked
Is MAS Grading legitimate?
Yes. MAS Grading is operated by MAS Certified, Inc. Every card is sealed in a tamper-evident slab with a unique certification number that anyone can verify online in seconds, and every grade is tracked in a transparent, public population registry.
How do I verify a MAS certification?
Enter the certification number at grading.mascertified.com/lookup. You'll instantly see the card details, grade, and live population data — no account required.
What makes MAS different from PSA, Beckett, and JSA?
MAS pairs the fundamentals collectors expect — tamper-evident slabs, a public population registry, and instant online verification — with witnessed, on-site grading at conventions, where you can watch your cards be graded and pick them up the same day with real-time SMS and email alerts.