Certificates of Authenticity
A GLA Certificate of Authenticity is a permanent record, not a piece of paper. It gives collectors, buyers and sellers a single place to confirm that an item was authenticated — or witnessed being signed — to our standards.
Six things on every COA we issue
Unique certification number
Assigned once, tied to one item, and never reused — the anchor for every other record.
Secure QR verification
Scan and the record opens instantly, wherever you are — at a show, a shop or a shipment.
Online database registration
The certificate exists in our records, not only in your hands. Lost paper does not lose the proof.
Tamper-resistant features
Security printing and finishing that make a convincing reproduction impractical.
Digital verification record
Item details, imaging and the authentication result, kept alongside the certificate number.
Official GLA seal
The authentication seal that marks the item as having passed our review.
When our representative watches the pen touch the item
The strongest form of autograph authentication is not analysis after the fact — it is being there. For selected conventions, private signings and special events, a trained GLA representative personally witnesses the guest signing your collectible.
Immediately after the signing, the item is documented, matched to a certification number and issued an official GLA Certificate of Authenticity. There is no gap in the chain for doubt to enter.
Signings we cover
- Celebrity autographs
- Actors and actresses
- Athletes
- Musicians
- Comic artists
- Voice actors
- Convention guests
- Private signing events
What we issue certificates for
Certificates are available for eligible collectibles and memorabilia, whether or not the item also receives a numeric grade.
Certificate without encapsulation
For oversized or irregular items — jerseys, helmets, posters — we authenticate and issue a certificate, with the item returned as received rather than sealed.
Certificate with a graded holder
Where the item fits a GLA holder, the certificate and the numeric grade travel together — one certification number covering both.
Confidence that survives the sale
A certificate protects the item's history and makes future trades simpler. The next owner does not have to take your word for anything — they can check the record themselves.
For sellers
Fewer questions, faster sales, and a defensible answer to "how do I know it's real?"
For buyers
Independent confirmation before money changes hands, from your phone in seconds.
For collectors
A documented provenance trail that outlives receipts, photographs and memory.
Trust in every grade
Talk to us about certification for a single item, a collection, or an upcoming signing event.