Hermès Authentication Specialist
Handbag authentication specialist. Has reviewed submissions across Hermès, Chanel, Louis Vuitton, and Dior since 2019.
Published November 2026 · Contact
What a Regular-Leather Birkin Is, and Why It Needs Its Own Guide
Most Birkins are not exotic. They are calfskin bags in Togo, Clemence, Epsom, Swift or a similar leather, and they are the bags most often listed, bought and counterfeited. Our expert Birkin guide covers the whole sequence of checks, and our exotic-skin Birkin and Kelly guide covers alligator, crocodile, ostrich and lizard. This guide sits between them: it takes an ordinary Togo Birkin and shows what a genuine one looks like at the five places where a listing photo or an in-hand check settles most questions.
Those places are the interior hot-stamp, the engraving on the sangle plate, the blind stamp, the zipper pull inside the bag, and the handle bases. We do not repeat the year-by-year stamp tables here. For those, use the Hermès date stamp decoder and our special stamps guide, which explains the extra symbols that appear beside the blind stamp on exotic and special-order bags.
Worth knowing
This guide is built from authenticated Birkins in Togo-type grained calfskin, cross-checked against counterfeit Birkins in the same leathers. The counterfeits we compared carried a convincing interior stamp, a correctly worded plate and a Hermès-branded zipper pull, so none of the marks below separates a fake on its own. We are publishing it as a genuine-reference guide, not a real-vs-fake table. A match tells you the item is not carelessly made; the decision comes from how all of the marks, the leather and the construction fit together against a verified bag of the same size and year.
Use our free Hermès Date Stamp Decoder to identify the production year of any Birkin, Kelly, or Constance — circle, square, or modern alphanumeric format.
Decode My Date Stamp →The Interior Hot-Stamp
Lift the flap and look at the front panel it covers, just above the turn-lock plate. A genuine Birkin carries a heat-stamped block in three centred lines: HERMÈS, PARIS, MADE IN FRANCE. On the Togo bag below the foil is silver-white, sits slightly pressed into the grain, and each line has clear breathing room above and below it.
What to look for:
- The accent. A grave accent over the È, angled the right way and clearly separate from the E.
- Even letter spacing. MADE IN FRANCE has visible word gaps. A line that reads as one run of letters is worth a second look.
- Foil that follows the grain. The foil sits in the leather's surface texture and does not look printed or laid on top.
- Foil colour that suits the bag. Silver-white on darker or palladium-hardware bags, gold on many gold-hardware bags. Colour alone proves nothing, because fakes use both.
Fakes copy this stamp closely, so judge it alongside the other marks rather than as a verdict.
The Sangle Plate Engraving
The two straps (sangles) that close the front end in metal plates riveted to the leather. On a genuine Birkin the plate is engraved HERMÈS-PARIS in fine, evenly spaced capitals below the strap slot, with a hyphen between the two words.
Check these four things on the plate:
- Engraving depth. Even from the first letter to the last, readable under normal light and sharper when you tilt it.
- Rivets. Four, seated flush, with no raised or crooked head.
- Plate edge. Bevelled corners and a clean, even edge, with the leather edge paint running neatly up to the metal rather than overlapping it.
- Fit. The plate sits flat on the strap with no lifting.
Our expert Birkin guide lists the common fake variants of this engraving (no accent, mixed case, flat-bottomed cuts). Hardware photographed in a hand is easy to judge: hold the plate so a light source runs across it.
The Blind Stamp on the Sangle
On Birkins made before 2015 the blind stamp sits on the front of the right-hand sangle, near the plate. It is pressed into the leather with no ink. On the Togo example below there is a letter inside a square on one side of the slot and a two-digit number with a letter on the other.
A letter inside a square belongs to the 1997 to 2014 run; the M here falls in 2009. The second group is the craftsman code. Check that:
- both groups are pressed in, with a feelable depression rather than a printed or painted character,
- they sit level with each other and at the same depth,
- both are present; a year letter with no craftsman code is a red flag.
Hermès moved the stamp to an interior tab and then a stitched interior square from 2015, so a bag claimed to be recent that carries its stamp on the sangle is a mismatch. Paste any stamp into the date stamp decoder to check the format and the year.
The Zipper Pull Inside the Bag
Every Birkin has a zipped pocket on the back wall under the flap. The zipper slider is engraved HERMÈS and ends in a small leather pull. On genuine bags the slider is a solid casting in the hardware tone, the engraving reads along the length of the slider, and the leather pull is cut and edged like the rest of the bag.
The slider is also a good place to see two other things:
- The pocket seam above the zip is saddle-stitched with slightly slanted, even stitches in waxed thread.
- The zipper tape matches the lining colour and the teeth match the hardware tone.
Counterfeits carry this engraving too, so judge the slider as part of the whole: a solid casting, a metal tone that matches the other hardware, and a pull that feels like the rest of the bag's leather.
Handle Bases and Saddle Stitching
Where each handle meets the body, genuine Birkins finish the join with a hand-stitched, pointed-bottom leather tab. The stitching is a saddle stitch (two needles on one waxed thread through every hole), so each stitch leans at the same angle and lies at an identical length around the curve. A thin, evenly painted edge follows the point.
Look for:
- an even stitch length and angle all the way around the point, with no drift at the tip,
- a tonal edge painted in one pass, not bubbled or cracked,
- a smooth transition from handle to tab with no visible glue.
Machine or poorly pulled stitching looks straight, evenly spaced to a fault, or loose; our expert guide covers the stitch-count check in detail.
What a Matching Mark Does and Does Not Prove
Every mark in this guide is a mark a good counterfeit also carries: a clean hot-stamp, a correctly worded plate, a Hermès zipper pull. A match shows the item passes a quick look; it does not by itself prove the bag is genuine. What decides it is how the marks fit together: the blind stamp's year against the hardware style and leather, the engraving depth against the weight of the plate, the stitching against the shape of the bag, and the whole bag against a verified Birkin of the same size and year. Weight, smell and the feel of the leather are checks done with the bag in hand.
If the price is high, add a professional review. Ours compares your photos against verified same-model Birkins.
Related guides
- Hermès Birkin authentication: the complete expert guide
- Hermès special stamps on Birkin and Kelly
- Exotic-skin Hermès Birkin and Kelly guide
- Hermès Kelly authentication guide
- Hermès date codes guide
FAQ
Where is the blind stamp on a Hermès Birkin?
On Birkins made before 2015 it is pressed into the front of the right-hand sangle, beside the plate. From 2015 it moves inside the bag, first on a small tab and later on a stitched interior square. Use the date stamp decoder to check the characters against the era.
What should the interior stamp say on a genuine Birkin?
Three centred lines: HERMÈS, PARIS, MADE IN FRANCE, heat-stamped into the leather with a grave accent over the È and clear gaps between the words. Fakes copy the wording, so a correct stamp is a starting point, not a verdict.
Is HERMÈS-PARIS on the sangle plate always the same?
The engraving reads HERMÈS-PARIS with a hyphen on the plates we reviewed. Depth, spacing and plate finish matter as much as the wording, because counterfeit plates copy the words.
Does every Birkin have a Hermès-engraved zipper pull?
The zipped pocket under the flap has a slider engraved HERMÈS on current and recent bags. Judge it for casting quality, tone and engraving rather than its presence alone.
Can I authenticate a Birkin from photos alone?
Yes. A review looks at the interior stamp, the plate, the blind stamp, the zipper pull and the stitching against verified bags of the same size and year, and the result rests on how those marks fit together, not on any single one. For an expensive bag, a professional review is the safer route.
Does this guide cover exotic Birkins?
No. Alligator, crocodile, ostrich and lizard bags add leather checks and special stamps; see our exotic-skin Birkin and Kelly guide.
