GUIDE
How to spot a genuine vintage luxury bag
August 19, 2026 · 7 min read
Buying a luxury bag secondhand is a fantastic deal — as long as you know how to spot a genuine piece. Counterfeits in 2026 are increasingly convincing, but a few expert reflexes are enough to unmask most fakes. Here's what to check, from the price to the serial number, with the specifics of vintage pieces.
1. The price, the seller and the sales channel
The first signal, before you even touch the bag: an unrealistic discount on an iconic model should raise a flag. Luxury depreciates little secondhand. Look at who is selling and through what channel: a professional who inspects their pieces, with an address and a reputation, is worth a thousand times more than an anonymous listing with suspiciously perfect photos.
2. The leather and the material
Luxury leather has a natural smell, a supple feel and a consistent grain. Be wary of materials that smell of plastic, or of grains that look too perfect or too synthetic. On vintage, a beautiful patina (a cowhide that shifts from beige to honey to brown) is often a sign of authenticity, not a flaw.
3. Stitching and finishing
On a genuine piece, the stitching is regular, straight, with no loose threads and a consistent stitch count. Irregular or crude stitching, or edges that are "glued" rather than sewn, is a warning sign. Check the edge painting (the trimmed leather borders): clean and even on a real one, sloppy on a fake.
4. Logos, monogram and typography
The monogram should be symmetrical, centred and aligned with the seams — on the great houses, a pattern is never cut off carelessly. The logo's typography (letter shapes, spacing) is a strong marker: fakes often give themselves away on a single letter detail or a rough alignment.
5. The hardware
Clasps, zips, buckles and rivets from a luxury house are heavy, well finished, with even plating, and often crisply engraved with the brand name. Metal that feels too light, or a blurry, sloppy engraving, should raise a flag. That said, on a vintage piece the hardware naturally patinas and dulls over time — that's normal, not a sign of a fake. Be wary above all of plating that flakes on a piece described as barely used. Zips often carry a maker's signature (Éclair, Lampo, YKK depending on the house and era).
6. Inside: lining, labels and heat stamp
Open the bag. The lining, sewn-in labels and heat stamp should be clean and consistent with the era of the model. Blurry printing, a poorly sewn label or a cheap lining material are all red flags.
7. Serial number, date code and chip
Many houses long used a discreet serial number or "date code". Careful: fakes have them too — a number alone proves nothing; it's its consistency (location, font, period-correct format) that counts. A recent technical point: since 2021, some houses (such as Louis Vuitton) have replaced the date code with a built-in RFID chip. A vintage piece, on the other hand, will have neither a chip nor a modern card — which is why you need criteria suited to its age.
8. Original accessories
Dustbag, box, padlock, card: they strengthen a case but prove nothing on their own, since they're faked too. And an invoice doesn't guarantee authenticity — it's easily forged. A coherent, good-quality set is a nice extra sign, not absolute proof.
The special case of vintage
On an older piece, don't look for a modern authenticity card or a chip: focus on the leather, the stitching, the period hardware and the overall consistency. That's precisely where an expert eye and knowledge of the models make the difference.
Should you have your bag authenticated?
Professional authentication (often between €50 and €170) can offer peace of mind on an expensive piece bought from a private seller. But the simplest route is to buy from a professional who checks every piece before it goes on sale — you save the stress and the cost of an appraisal.
The best guarantee? Buying from a place that stakes its reputation on every piece.
Buy with peace of mind at NOUVELLE RIVE
At NOUVELLE RIVE, every luxury piece is selected and verified before it goes on sale. Most come with a certificate, sometimes a certificate of origin, and may include their original dustbag or box. You buy with complete confidence, in store at 8 rue des Écouffes or online.