Nobody starts out able to do this. There is a version of the story where an expert simply knows, by instinct, at a glance, and that version is not much use to you, because it cannot be copied.
What follows is the other version: how the eye actually gets built, by anybody, including the person who built this company. It was learned the expensive way, in a market where the objects were far harder to verify than a football shirt.
The Counterintuitive Part: The Fakes Are the Pretty Ones
This is the single most useful thing to understand, and it takes most people a year to see it.
A forgery is made to be sold. It is made to photograph well, to look complete, to be exactly what the buyer hoped for. It is even, and bright, and unblemished.
A genuine object has had a life. An ancient ring has been on a hand, then in the ground, then in a drawer somewhere for centuries. It carries marks. The edges have gone soft. The band is often slightly broken.
The real ones were imperfect, and thus perfect.
The same principle transfers directly to signed shirts. A signature applied in a stadium corridor, on fabric, with a marker, by somebody who has done this two hundred times that evening, does not look like a graphic. It has hesitation in it. It sits on the weave. The pressure varies. A signature that looks like a logo has usually been treated like one. There is more on reading a signature in the Knowledge Base.
What a Listing Actually Is
A photograph in a listing is a small argument for an object, made by somebody who wants you to bid. The lighting is theirs. The angle is theirs. The scale is often impossible to judge.
Which produces the most common disappointment in collecting, and it is not fraud: things arrive smaller than you expected, and duller, because your living room does not have a photographer's lamp in it. That gap between expectation and delivery is not a scandal. It is the first thing your eye learns to close.
Closing that gap is the progress. Not the winning. The learning to predict.
The Three Patterns That Give It Away
Once you have seen enough, listings start to rhyme. Three patterns do most of the work.
Too perfect. The object shows no honest wear where wear should exist. On a shirt, look at the areas that always get handled: the cuffs, the collar, the hem, the inside of the neck. On a signature, look for the variation that a human hand produces and a practised forger smooths out.
Too repetitive. You see the same object again, more or less, and again after that, when what you are looking at is supposedly unique. On signed shirts this shows up as identical signature placement, identical inscription wording, identical framing across multiple listings.
Clustered at the same source. The pieces that set off the feeling tend to gather in the same places. When several of your doubts share an origin, that is information, and it is often better information than any individual object. It is one of the inputs behind the Walkouts Rating.
None of those is proof on its own. Together they are a reason to walk away, and walking away costs nothing.
How the Eye Gets Built, Honestly
Partly the ordinary way. There are books. There are reference sites. There are experts, and if you are willing to be the least knowledgeable person in the room, most of them will talk to you.
But mostly it is volume and attention. You look at a great many things. You get some wrong. You notice what you got wrong and why.
There is no moment where you graduate. Nobody hands you anything. One day you catch yourself scrolling past something beautiful without wanting it, and you realise you could not have done that a year earlier.
Certainty Is a Scale, Not a Switch
Here is the part that most sellers will not say out loud, and it is the most important thing on this page.
You can almost never say, with your hand on your heart, that one is fake.
What you can have is a degree of certainty. You can raise it with knowledge, with evidence, and with independent verification. You can learn to spot what makes no sense. And it still stops somewhere short of absolute proof.
A degree of certainty is a harder thing to carry than a fake. A fake you can throw away. Uncertainty stays on the shelf with everything you own.
That is why we treat the question as a scale and not a switch, and why the evidence travels with the shirt instead of sitting behind a certificate you have to take on trust.
What Raises Your Certainty, in Order
- Knowledge. Is the shirt itself right for the season, competition and version it claims? This is the cheapest check and the one most people skip, and it is the foundation of how a shirt is valued.
- Provenance. Can the chain of custody be followed, rather than asserted? Check the certificate serial rather than trusting the document at face value.
- Signing proof. Is there evidence from the moment itself, captured while every fact still existed?
- Authentication. Is there an independent verdict, from someone with no stake in the sale, that you can look up yourself?
Each one lifts your certainty. None of them alone is enough. All four together is about as close to knowing as this market allows.
Failing Is Part of the Standard
Shirts get sent for independent authentication and some of them come back marked Did Not Pass. That is not a failure of the process. It is the process working, in the only way that means anything: a verdict that can go against the person who paid for it.
Proof you control is not proof.
That is the whole argument for sending things away, for capturing the signing while it happens, and for handing you evidence you can check without us.
Learn to Read a Signed Shirt Before You Buy One
Our Knowledge Base breaks down each of the four checks and what each piece of evidence actually proves:
- How to tell a real signature from a fake one
- How independent authentication works
- How to verify a certificate serial
- How to value a signed football shirt
- Storing and folding a shirt without damaging it
This story first appeared as Episode 2 of Welcome to Walkouts on LinkedIn, a week ago. The episodes there are the personal version: longer, more first-hand, and closer to what actually happened, including the parts that do not flatter me. Follow the Walkouts page on LinkedIn to read each one a week early.
Written by Paul de Metter, founder of Walkouts. First-hand throughout. Edited, not authored, with AI. Sources and drafts on file.