Short answer

A fake Hermès bag does not use the leather named in the listing. The base is split cowhide with a polyurethane topcoat, bonded leather, or polyurethane film on a fabric backing. Genuine Hermès bags use full-grain calfskin tanned in France, or exotic skins shipped under CITES permits. Grain, edge paint, stitch type, smell and paperwork are the checks that work. Photo checks cannot confirm a tannery.

Leathers Hermès uses

  • Togo. Calfskin. Pebbled grain. Soft. Used on Birkin 25, 30 and 35.
  • Epsom. Calfskin. Pressed grain. Holds shape.
  • Clemence. Bull calfskin. Large grain. Heavy.
  • Swift. Calfskin. Smooth, matte surface.
  • Barenia. Calfskin from Tannerie Haas in Annemasse.
  • Box. Calfskin. Glossy finish. Used on Kelly and Constance.
  • Exotics. Alligator, crocodile, ostrich, lizard.

Hermès owns Tanneries du Puy and holds a stake in Tannerie Haas. Hides for the main lines are tanned and finished in France, then cut and stitched in French workshops. The leather name appears on the product page and the invoice. Hermès does not stamp the leather name on the bag.

Leathers fake bags use

  • Split leather with a PU coat. The lower layer of the hide, sprayed with polyurethane and embossed with a grain pattern.
  • Bonded leather. Hide scraps ground and glued with latex or polyurethane. Content varies by maker.
  • PU on fabric. Polyurethane film on a knit backing. No leather in the product.
  • Corrected grain. Surface sanded, pattern stamped, finish sprayed.

Terms such as PU leather, microfiber leather and synthetic leather describe plastic. The phrase genuine leather states a material class. It names no tannery, no hide grade and no country of origin.

Checks that work

  1. Grain. Full-grain calfskin shows pores that change from panel to panel. A stamped pattern repeats.
  2. Edge paint. Hermès applies thin coats and sands between them. Replica edges show one thick coat and paint pooled at the seam.
  3. Stitch type. Hermès sews by hand with two needles and one thread, one stitch at a time. A machine lockstitch shows a straight top row and a fine bottom row.
  4. Stitch angle. Hand saddle stitches lean. Machine stitches stand vertical.
  5. Smell. Chrome-tanned calfskin smells of leather. Polyurethane smells of plastic and solvent.
  6. Blind stamp. Hermès hot-stamps the logo without foil, plus a year stamp and a craftsman stamp. Foil stamps and laser etching do not appear on the main leather lines.

The water drop test and the burn test give false readings on finished leather. Chrome tanning, waxes and topcoats seal the surface. Treat both tests as a prompt to look closer, not as proof.

Exotic skins and CITES

Alligator, crocodile, ostrich and most lizard species sit in CITES Appendix I or II. A bag that crosses a border needs an export permit from the country of origin and an import permit. Hermès ships CITES documents with exotic bags. A seller who ships alligator or crocodile without a permit risks seizure of the shipment.

What a photo cannot show

Tannery, hide grade, dye lot and thread source do not appear in a photo. A seller can photograph one bag and ship another. Ask for the blind stamp, the year stamp and the craftsman stamp in the same frame as the bag. Ask for a clip that pans across one full side without cuts.

Law

In the US, 18 U.S.C. § 2320 covers trafficking in counterfeit goods and services. 19 U.S.C. § 1526 covers importation of goods bearing a counterfeit mark. Customs and Border Protection can seize and destroy counterfeit bags at the border. Personal-use purchases sit low on enforcement lists. Resale does not.

Bottom line

Leather is the part of a fake Hermès bag that is easy to fake in a listing photo and hard to fake in the hand. Compare grain, edge finish, stitch angle and smell. If a seller names Togo or Barenia, ask which tannery. Most will not answer.