Trading Card
Grading
The new standard in professional card grading. Verify, submit, and protect your collection with confidence — from the experts behind MAS Authentication.
Recently Graded
A live look at cards recently certified and encapsulated by MAS. Tap any slab to verify it.
A grade is more than a number. It's a promise.
Increase Value
MAS-certified cards command a premium and sell with confidence across every marketplace.
Preserve Forever
Ultrasonically sealed, archival-safe holders protect your card from wear, moisture, and time.
Prove Rarity
Our live population registry shows exactly how scarce your grade truly is.
Every card treated like a masterpiece.
Controlled-light examination of centering, corners, edges, and surface — by the same experts trusted for autograph authentication.
From Authentic to Gem Mint 10.
Gem Mint 10 = flawless. Fewer than a fraction of submissions ever reach it.
Card to certified slab
Build your submission
Choose a service tier and log each card's details online.
Pay securely
Encrypted Stripe checkout — pay per card at your tier's rate.
We grade & encapsulate
Experts assess and seal your card in a tamper-evident holder.
Track & verify forever
Follow progress in your portal and verify the cert online anytime.
Pick your speed
Per-card pricing. From value grading to same-week Premium turnaround.
Collectors are switching to MAS
"The slabs are gorgeous and the pop report makes reselling effortless. Instant trust."
"Fast, precise, and the encapsulation is premium. My grails have never looked better."
"We consign hundreds of cards — MAS turnaround and accuracy are unmatched."
Ready to certify your collection?
Create an account, build your submission, and join the new standard in grading.