Counterfeits
No signal proves an item is fake. Counterfeit risk is a pattern, and the pattern is usually a contradiction.
No single signal proves an eBay item is fake. Counterfeit risk shows up as a contradiction: a sealed item also described as tested, a brand new one with wear, a price far under genuine, a rights holder's stock photo on a listing that cannot actually have the item. Read the listing for where its own claims argue with each other, and weigh that far more than grammar.
Why this signal matters
Counterfeits are the risk buyers most want a yes or no answer to, and the one where a confident yes or no is least honest. Nobody can authenticate an item from a listing page. Anyone who says otherwise is selling you something.
What you can do is read the pattern. Counterfeit listings tend to contradict themselves, because the seller is describing an item they do not have, in a category they do not know, at a price that reflects what it actually cost them.
What buyers get wrong
How to read this signal
Look for contradictions, not for flags. When the seller, the price, the photos, the description, and the feedback all tell the same story, there is nothing suspicious about that story, however unglamorous it is. Risk shows up where the parts disagree.
The dangerous pattern is always a combination, never a single item. A high value, easily faked product. A seller with no relevant history. A price nothing explains. Photos that never show the actual unit. Language that insists on authenticity instead of demonstrating it. Any one of those on its own is a shrug. Together they are a reason to keep your money.
Category changes everything. Some things are counterfeited relentlessly and some are barely worth the effort, so the same missing photo means very different things on a cable and on a handbag.
Then be honest about the limit, because the people selling you certainty will not be. Nobody authenticates an item from a listing page. What you can decide is whether the story holds together, and whether you could recover if it turned out not to. Those two questions are almost always answerable, and they are almost always enough.
When it should raise concern
- A high value, frequently counterfeited item from a seller with no history in that category.
- A price that only makes sense if the item is not real, with nothing else explaining it.
- Only stock or manufacturer imagery on an item where authenticity lives in the details.
- A description that claims authenticity loudly while contradicting itself elsewhere, for example calling an item genuine and then describing it as compatible or a replacement.
- Recent feedback in which a buyer says they received something they believed was fake.
- A commodity item that nobody bothers to counterfeit.
- A specialist seller with a long history in exactly this category, showing the actual item.
- A fair price with an honest description of flaws. Counterfeiters rarely volunteer that their item has a scratch.
From real listings
A description calls the part genuine and original manufacturer, then explains that it is compatible with most models and will fit a range of vehicles. Those two claims cannot both be true. The listing is not lying to you in one place. It is lying in two places that do not match, and the mismatch is the finding.
Common questions
Knowing what to look for is the hard part. Doing it on every listing is the tedious part. Paste a link and we will do the tedious part.
Analyze a listing