The Hermès Constance has become one of the most coveted bags in the resale market, but its popularity also makes it a prime target for counterfeiters. Whether you're buying pre-owned or considering adding one to your collection, knowing how to authenticate a Constance is essential. This quick checklist covers the five critical areas to examine, and ends with how a WhatsApp consultation can give you peace of mind.

1. Stitching and Craftsmanship

Authentic Hermès Constance bags are hand-stitched using a saddle stitch technique. The stitching is uniform, slightly slanted, and done with high-quality waxed thread. On the flap, the stitching should run in a continuous line without any backstitching or loose ends. Counterfeit often shows machine stitching that is too straight or has inconsistent tension.

2. Hardware and Engravings

The Constance’s signature H clasp is made of solid brass or palladium, depending on the hardware type. Turn the clasp over and check for a clear, deep engraving of "Hermès" (usually in a specific font). The screws on the inside of the clasp should be perfectly aligned – a common tell on fakes is misaligned or cross-shaped screws. The zipper pull should also have a subtle Hermès engraving.

3. Stamp and Date Code

Inside the bag, look for the blind stamp – a combination of letters and numbers that indicates the year and workshop. For a recent Constance, the stamp is often located on the interior leather pocket. The font should be crisp, not too bold or shallow. Additionally, the Hermès Paris stamp on the interior should have the correct spacing and accents (the accent on the e in Hermès is a grave accent, not an acute). Cross-check the date code with the known production timeline for Constance models.

4. Leather and Smell

Hermès uses only the finest leathers, such as Swift, Epsom, or Chèvre. The leather on a genuine Constance has a natural grain, a slight sheen, and a distinctive leathery smell (not chemical or plasticky). Press the leather gently: it should feel supple and resilient. Counterfeit bags often use coated leather that feels stiff or has an artificial odor.

5. Interior Details and Zippers

The interior of an authentic Constance is lined with smooth leather (usually Chèvre or Agneau). The zipper is made by Lamans or Riri, and the zipper pull should be etched with the logo. Check the interior pocket stitching for straightness and consistency. Also verify the presence of a microchip (for bags made after 2021) – earlier models have a date stamp, while newer ones have an RFID microchip hidden in the lining.

WhatsApp Value Check: What to Send

Not sure about your findings? Send these five items via WhatsApp for our expert verification:
- Clear photos of the front and back of the bag (including the flap open)
- Close-up of the H clasp from the front and underside
- Photo of the interior blind stamp and any date code
- Image of the interior zipper pull and leather lining
- Any certificate or box included (if available)

We’ll review your images and provide a quick authentication opinion and current market value range.