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Why authentication matters
The Birkin is among the most counterfeited handbags in the world, and the difference between a genuine piece and a highly skilled imitation can come down to a single millimetre of stitching. Our authentication team examines twelve distinct markers before any Birkin is accepted for consignment — a process that typically takes 48 to 72 hours per piece.
This guide walks through the details we look for, so you understand exactly what “authenticated in-house” means when you consign, or buy, through Fallen Luxury.
“Authentication isn't a single check — it's a conversation between twelve small details, all of which must agree.”
— Head of Authentication, Fallen LuxuryReading the stamps and blind stamps
Every Hermès bag carries a date stamp and a craftsman's blind stamp inside, near the top of the interior. The font, depth and placement of these stamps changed subtly across decades — and are one of the easiest tells for a trained eye.
Hardware, stitching and proportion
Genuine Hermès hardware is noticeably heavier than most replicas, and plating wears in a specific, gradual pattern rather than flaking. Saddle-stitched seams run at a consistent, slightly irregular angle — a hallmark of hand-stitching rather than machine work.
| Detail | Genuine | Common Tell in Replicas |
|---|---|---|
| Interior stamp font | Consistent stroke weight, evenly spaced | Slightly bolder or condensed lettering |
| Hardware weight | Noticeably heavy, cool to the touch | Lighter, often warmer alloy |
| Saddle stitching | Slight irregularity, consistent angle | Perfectly uniform, machine-straight |
| Leather grain | Natural, slightly irregular grain | Repeating, printed-looking texture |
Our authentication process, step by step
Photo review
Our team reviews submitted photos against known reference points within 24 hours.
In-hand inspection
Once received, the piece is examined under magnification against all twelve markers.
Cross-verification
Findings are cross-checked by a second authenticator before sign-off.
Certificate issued
An authentication certificate is issued and the piece proceeds to the bag spa.
Frequently asked questions
We can offer a preliminary opinion from clear photos, but final authentication always requires an in-hand inspection.
Typically 48 to 72 hours once the piece is in our studio, though complex cases may take longer.
We contact you directly with our findings and return the piece at no cost via insured shipping.
Yes — authentication is available as a standalone service, independent of consignment.
Yes, our certificate of authenticity travels with the piece to its next owner.
In closing
No single detail confirms authenticity on its own — it's the agreement between stamps, stitching, hardware and materials that gives our team confidence. If you're considering consigning a Birkin, our specialists are glad to walk you through what to expect before you ever send a photo.