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Importance of Authentication

Portero is the pioneering marketplace for pre-owned and rare luxury bags, jewelry and watches. Our promise of authenticity is paramount, and in this video guide our Director of Handbags, Elizabeth Bernstein, provides simple, yet effective steps for spotting counterfeits and fakes.

Real vs. Fake

At Portero, we assess authenticity by drawing on the experience of our in-house category specialists, by working with outside product experts, and in some cases by partnering with selected luxury brands and vetted third party luxury resellers or retail stores.

These three videos make side-by-side comparisons for Chanel, Hermès, and Louis Vuitton.

Product knowledge and technology has allowed fake luxury items to become more sophisticated over time. On the Internet, authentic product is presented with pictures of date stamps, holograms, and an abundance of authenticity information. This has helped counterfeiters become more accurate in their replications.

Ideally, the handbag you choose must have an authenticity guarantee behind it. Buying luxury goods in the secondary marketplace can be quite daunting. It’s advisable to buy from a trusted well-known source like Portero.



This video provides an evaluation of an authentic Chanel flap bag versus a fake. The key hallmarks of a real Chanel bag are uniform quilting, quality of materials, gold plated hardware, and proper placement of the CC logo wherever it may be used.




The Hermès Birkin is one the most highly counterfeited bags on the market. This comparison examines stitching, movement and placement of hardware, heat stamps, and Hermès’ impeccable craftsmanship.


Louis Vuitton


In this Louis Vuitton “real versus fake” video, we examine uniform monogram printing, leather patina, zipper pulls, and date codes.


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