Autograph Authentication Services
Peace of mind from in-person autograph authentication.
Preserving history one signature at a time. Submit your item for authentication, or verify authenticity with the cert number on your certificate.
The why of AAS
Peace of mind. Value. Professional validation.
Peace of mind
In-person autograph authentication, so you know the signature was seen by a person — not guessed from a photo.
Value for signed memorabilia
A certificate from AAS helps buyers and sellers trust the piece and can support its value.
Research and validation
Each item is examined by hand and compared with known examples of that signer’s writing.
How it works
Submit your item. We authenticate it. You can verify it later.
01
Submit your item
See current fees on Submit your item, then mail it in or drop it off. There is no online form.
02
In-person authentication
The owner looks at the signature on the real piece.
03
Your certificate
If it is authentic, you receive a certificate with a number. If it is not, the item is returned.
04
Verify authenticity
Anyone can enter that cert number here to see the item and photos.
Sample COAs
This is what an AAS certificate looks like.
If the item is authentic, you receive a paper certificate with a cert number. Anyone can verify authenticity on this site with that number.
Services
Sports, entertainment, historical, and other signed memorabilia.
If you are not sure we can take an item, email us before you ship.
Sports
Balls, jerseys, photos, bats, helmets, and signed cards.
Music and entertainment
Albums, posters, photos, and pieces signed at shows or on set.
Historical documents
Letters, documents, and signed photographs.
Other memorabilia
Most signed items can be submitted. Email first if the size or packing is unusual.
Verify authenticity
Enter the cert number from your AAS certificate. If it is on file, you will see the signer, item type, and photos.