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THE FOUNDER Q&A 12 Questions with Mark Kirkup
THE FOUNDER Q&A 12 Questions with Mark Kirkup
Read MoreLookup Check your ACGcert™ Hologram Code HERE
Roberto Baggio Signed Shirt
Professional Autograph Authentication For Collectors & Companies
Autograph Investment Protection with ACGcert™
CLICK HERE To Get Authenticated!Autograph Investment Protection with ACGcert™
Authenticate, Certify, Grade Your Autograph Collection
Professional Autograph Authentication For Collectors & Companies
Autograph Investment Protection with ACGcert™
Autograph Investment Protection with ACGcert™
Roberto Baggio Signed Shirt
The ACGcert™ Signature Grading Scale
Your Guide to Signature Quality
Why Authenticate Autographs?
Ever wonder what your autographed shirt or poster is really worth? Without recognized third-party authentication, autographs can quickly lose their value. Our authentication team has over 150 years of combined experience and we’re lifelong collectors ourselves. Third-party autograph authentication is now a must—let ACGcert™ help you protect the value of your collection.
What Is Authentication?
More than just a stamp of approval. It's a scientific journey that verifies your item's origin, history, and genuine value through expert forensic analysis.
How Does The Process Work?
The precise steps we take: 1. Submit Your Item 2. Expert Examination 3. Possible Verdicts
Lookup An Existing Hologram Number
Verify the authenticity of your collectible by entering the ID number on your hologram sticker into the lookup form below.
Your Hologram number can be found under your ACGcert sticker’s QR code.
Your Hologram number can be found under your ACGcert sticker’s QR code.
Where To Find Our Authentications
Browse the brands and marketplaces where authenticated items appear.
Featured Authentications
Jude Bellingham Autograph ENGLAND
Robin Van Persie 
Gianluigi Buffon Autograph ITALY
Matt Groening Autograph THE SIMPSONS
EDEN HAZARD Autograph CHELSEA
Tom Cruise Autograph RAIN MAN
Russell Crowe GLADIATOR Autograph
Bill Skarsgard Autograph PENNYWISE
Fernando Torres Autograph FOOTBALL BOOT
Hugh Jackman Autograph WOLVERINE
Vinicius Junior Autograph REAL MADRID
Maggie Smith Autograph HARRY POTTER
Arnold Schwarzenegger Autograph TERMINATOR
Tom Cruise Autograph TOP GUN
Sylvester Stallone Autograph Glove
Steven Gerrard Autograph LIVERPOOL
Charlie Hunnam Autograph SONS OF ANARCHY
Chris Pratt Autograph
Chris Hemsworth Autograph THOR
Fernando Torres Autograph LIVERPOOL
Harry Kane Autograph ENGLAND
Pierce Brosnan Autograph JAMES BOND
Tom Hardy Autograph PEAKY BLINDERS
Sean Bean Autograph GAME OF THRONES
Kit Harrington Autograph FUNKO POP!
Bob Odenkirk Autograph BETTER CALL SAUL
Lautaro Martinez Autograph INTER MILAN
Francesco Totti Autograph ITALY
Angelina Jolie Autograph LARA CROFT
Ronaldo Autograph BRAZIL
Aaron Paul Autograph BREAKING BADLatest ACGcert® News
Stay up to date with the latest ACGcert® announcements, authentication updates and collector news.
Your Trusted
Authentication Partner
Decades of expertise and an unwavering commitment. Credibility you can count on.
Expert Authentication
Our team of forensic specialists and industry veterans meticulously examine every detail, using advanced techniques to verify authenticity where others see just an item.
Handled With Respect
Your treasured memories matter. We treat your collectibles with the utmost care, using museum-grade preservation techniques and white-glove handling.
Easy Submission
Your collectible's journey starts here. Upload, pack, and ship. Our secure digital platform guides you through a seamless authentication process. Protecting your treasures, simplified.
Need a 24-48 Hour Online Opinion?
1
Submit Your Item
Use the simple online submission form to upload images of your item for the ACGcert team members to start the formal process
of authentication.
2
Expert Examination
A team of experts will rigorously analyse the autograph, considering factors such as provenance, autograph flow, style, pressure, and much more.
3
The Verdict
The experts will issue one of three verdicts: 'Likely to Pass Full Authentication', 'Unlikely to Pass Full Authentication' or 'Inconclusive'.
Have Something You Would Like Authenticated?
Start AuthenticationLetter Of Authenticity
Make Your Autograph Even More Desirable
Receive an official ACGcert Letter of Authenticity. Our in-person Autograph examination service provides the highest level of authentication for your collectible.
Add a Letter for £15
Add a Letter for £15
Where To Find Our Authentications
Browse the brands and marketplaces where authenticated items appear.
What Our Customers Are Saying
Andrew Burton
November 18th 2025
As a serious collector, it's important to know that you have knowledgeable people that can assist you with authenticity. The team at ACGcert have been helpful with not only purchasing but with certifying items in my collection. People who know their stuff, fair pricing and fast service, what more could you want?
Matthew Dench
Feb 2nd 2026
Great to finally have a trustworthy UK company with experts in all fields to authenticate my memorabilia
Frequently Asked
Questions
Questions
Discover answers to our most frequently asked questions, or contact our team directly.
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