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Before you sell: show buyers it is genuine

Buyers of pre-owned items worry about fakes more than anything else. The proof to gather, the photos to take and how a shareable certificate helps.

3 min readUpdated 22 October 2026
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ContentsGather your proof
  1. 1Gather your proof
  2. 2Run a check before you list
  3. 3Photograph the proof
  4. 4Be honest about condition

Contents

  1. 1Gather your proof
  2. 2Run a check before you list
  3. 3Photograph the proof
  4. 4Be honest about condition

In short

  • The easiest sale is one where the buyer has no doubts.
  • A Deep VerifAI check looks closely at your photos and gives a verdict, Authentic or Fake, with the evidence behind it and an estimate of the market price where there is enough data.
  • Disclosing flaws builds trust and prevents returns and disputes.

Gather your proof

The easiest sale is one where the buyer has no doubts. Before you list, collect everything that shows where the item came from.

Gather the proof: receipt, box and tags
Gather the proof: receipt, box and tags
  • The receipt, invoice or order confirmation
  • The original box, dust bag, tags, cards and spare parts
  • Warranty cards and service records
  • Photos of the serial number, date code or certificate number
  • Any earlier authentication you have had done

Hide personal details

Cover your address, card number and order number on receipts before you share them. The date, store and item are what a buyer needs to see.

Run a check before you list

A Deep VerifAI check looks closely at your photos and gives a verdict, Authentic or Fake, with the evidence behind it and an estimate of the market price where there is enough data. It also produces a certificate you can share as a link, and the buyer can open it without an account.

  • Use the same clear photos you will use in the listing
  • Add the certificate link to your listing description or send it when buyers ask
  • Remember that a certificate records an AI opinion based on your photos, not a guarantee, and say so honestly if asked

Photograph the proof

  • The logo and labels, close up and in focus
  • Serial numbers and codes, readable
  • The box, tags and accessories laid out with the item
  • Every flaw, scuff or repair, clearly shown

Be honest about condition

Disclosing flaws builds trust and prevents returns and disputes. Describe wear plainly, show it in photos and mention any repairs or replaced parts, and who did them.

Show flaws honestly
Show flaws honestly

Never sell an item you suspect is fake

Selling counterfeit goods is illegal in many countries, and marketplaces remove listings and suspend accounts for it. If a check or an expert says an item is fake, do not list it as genuine.

Check an item with VerifAI

Take the photos this guide describes and get an AI authenticity check in minutes. VerifAI reads only the photos you upload; it is not a physical inspection or a guarantee.

Check an item on the webApp StoreGoogle Play

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