UDC Luxe Tokyo Editorial - UDC Luxe Tokyo

Posted on July 16, 2026September 26, 2026 by UDC Luxe Tokyo Editorial — Leave a comment

How to Authenticate a Hermès Birkin: 7 Checkpoints Our Tokyo Experts Use

Short answer: A genuine Hermès Birkin is identified not by one feature but by the agreement of several — even, slightly angled saddle stitching; a crisp Hermès Paris Made in France stamp with a date/blind stamp; heavy, precisely engraved hardware; dense, natural-grain leather; a zipper with correct branding; and flawless overall craftsmanship. Any single “pass” means little; authentication is about all of them lining up. Below are the seven checkpoints our Tokyo team works through on every Birkin — and why a professional check still matters.

The 7 checkpoints, in order

1. Stitching

Hermès Birkins are finished by hand in saddle stitch, which produces slightly irregular, forward-slanting stitches at a consistent angle. Counterfeits often show perfectly uniform machine stitching (too regular) or messy, inconsistent angles (too sloppy). Look at the piping and handle bases: genuine stitching is even in tension but subtly human in rhythm.

2. The Hermès stamp

The front stamp reads HERMÈS PARIS MADE IN FRANCE, heat-embossed crisply and evenly, correctly spaced and centred. On fakes the font is often slightly too thick or thin, unevenly pressed, or subtly mis-kerned. The grave accent on the È and the exact letter proportions are common failure points for counterfeits.

3. Blind stamp / date stamp

Hermès stamps a letter (sometimes in a shape) indicating the production year, plus a craftsman code. The stamp is small, clean and consistently placed. It must be cross-referenced against Hermès’s known dating system — and the leather, hardware and style must be consistent with that year. A date stamp that does not match the bag’s features is a red flag.

4. Hardware

Birkin hardware (turn-lock, feet, padlock and keys in their clochette) is solid and heavy, plated in palladium or gold. Engraving of “HERMÈS” on the hardware is crisp and even. Fakes frequently feel light, show shallow or fuzzy engraving, or plate unevenly. The padlock number should correspond to the keys.

5. Leather and grain

Hermès uses specific leathers — Togo, Epsom, Clemence, Box and others — each with a distinctive grain. Genuine leather is dense, structured and consistent, holding the bag’s iconic shape. Counterfeits often use thinner, over-uniform or plasticky material that slumps. The grain pattern should match the stated leather type exactly.

6. Zipper and pull

Where a Birkin has a zipper, it is typically branded (Hermès-marked pull), smooth to operate, and colour-matched to the interior. Rough action, missing branding, or a mismatched pull are warning signs.

7. Overall craftsmanship and symmetry

Step back and assess the whole: symmetry of the handles, evenness of the turn-lock, alignment of the straps, cleanliness of the glazing on the edges. Hermès craftsmanship is close to flawless. Small asymmetries, uneven edge paint or glue residue betray a fake.

Genuine vs. counterfeit: what separates them

Feature	Genuine Birkin	Common counterfeit tell
Stitching	Even, forward-slanted saddle stitch	Too uniform (machine) or sloppy angles
Stamp	Crisp, correctly kerned HERMÈS PARIS	Thick/thin font, off-centre, wrong accent
Hardware	Heavy, crisply engraved, matched padlock/keys	Light, shallow engraving, uneven plating
Leather	Dense, structured, correct grain	Thin, plasticky, slumps out of shape
Date stamp	Consistent with year, leather and hardware	Mismatched or illogical for the bag

Why a professional check still matters

Super-fakes now copy many single features convincingly. The reason authentication works is that a counterfeiter rarely gets every detail right at once — and getting the interaction between date stamp, leather era and hardware finish correct is extremely hard. Professionals also handle hundreds of genuine bags, so they read weight, smell, structure and stitch rhythm that photos cannot capture. That is why a licensed dealer’s in-hand authentication is worth more than any single online checklist.

How to buy a Birkin safely: a short checklist

Buy from a licensed, accountable seller who authenticates in-hand and states it in writing.
Ask for close-ups of stitching, stamp, date stamp, hardware engraving and interior.
Confirm the date stamp is consistent with the leather and hardware, not just present.
Get the accessories — clochette, keys, padlock, dust bag, box, receipt where available.
Separate authenticity from condition — both should be documented (see our Japanese grading guide).

Frequently asked questions

Can you authenticate a Birkin from photos alone?

Photos can catch obvious fakes and flag concerns, but a confident authentication needs the bag in hand to judge weight, structure, leather and stitch rhythm. Treat photo checks as a first filter, not a final verdict.

What is the most faked part of a Birkin?

The stamp and stitching are the most attempted — and still the most revealing, because the exact font, kerning and saddle-stitch angle are hard to reproduce perfectly.

Does a date stamp prove a Birkin is real?

No. A date stamp must be consistent with the bag’s leather, hardware and style for that year. Counterfeits copy stamps too, so it is one checkpoint among several.

Every Hermès piece at UDC Luxe Tokyo is authenticated in-hand by our team as a licensed Japanese secondhand dealer, with condition graded and photographed. Considering a specific bag? Message our specialist on WhatsApp or browse authenticated handbags.

Posted on July 16, 2026September 26, 2026 by UDC Luxe Tokyo Editorial — Leave a comment

Japanese Used-Luxury Grading Scale Explained: N, S, A, AB, B, C

Short answer: On pre-owned luxury from Japan, condition is graded on a letter scale that runs from N down to C (occasionally D or J). N means brand-new and unused; S is like-new; A shows minimal use; AB shows light wear only visible on close inspection; B shows clear but honest wear; C is heavily used. It is a Japanese secondhand-trade convention, not a maker’s rating — so an “AB” bag is a genuinely good, lightly used item, not a defective one. For most buyers, A and AB are the value sweet spot: clearly pre-owned but still beautiful, at a meaningful discount to retail.

The full Japanese grading scale, grade by grade

Every reputable Japanese dealer grades on roughly the same letters. Here is what each one means and what you will actually see in hand.

Grade	Meaning	What you’ll see
N (New)	Brand new, never used	Unused, usually with tags and full packaging
S	Like new / near-mint	Used once or shop-display only; no meaningful signs of wear
A	Excellent	Very light signs of use; looks great in hand and in photos
AB	Very good	Light wear on close inspection — faint corner rub, minor hardware micro-scratches
B	Good	Noticeable, honest wear — scuffs, patina, some edge wear — still fully usable
C	Fair	Heavy wear; clearly used; priced accordingly
D / J	Junk / for repair	Significant damage; sold as-is or for restoration (rare in curated shops)

A grade describes the overall condition. One small flaw does not set the grade on its own — a dealer weighs the whole piece, then notes specific issues separately in the description.

What each grade is worth: a rough price guide

Condition is one of the biggest levers on a pre-owned price, alongside brand, model, rarity and completeness of accessories. As a rough guide, relative to the same item in new (N) condition:

Grade	Typical position vs. new	Who it suits
S	Small discount; near-retail for hard-to-find pieces	Buyers who want near-mint without the wait
A	Roughly 10–25% below comparable new	Most buyers wanting excellent condition
AB	Roughly 20–40% below comparable new	The value sweet spot
B	Roughly 35–55% below comparable new	Buyers happy with visible, honest wear
C	Half of new or less	Bargain hunters, project pieces, everyday carry

These ranges are indicative, not fixed. For pieces where demand outstrips supply — an Hermès Birkin, a discontinued Rolex reference — a well-graded pre-owned example can sit close to, or even above, original retail regardless of grade. Grade tells you about condition; the market sets the price.

Why Japan’s grading is unusually trustworthy

Japan’s pre-owned luxury market is among the most trusted in the world, and the letter scale is a big reason why. Two forces keep it honest:

Consistency. The same letters mean roughly the same thing across reputable shops and auctions, so an “A” from one licensed dealer is broadly comparable to an “A” from another. A buyer abroad can read “AB, faint corner wear” and know what is arriving without holding the item.
Honesty by incentive. Japanese resale is run by licensed secondhand dealers (kobutsusho, 古物商). Overstating condition damages a dealer’s standing fast in a tight, regulated market, so grades tend to skew conservative rather than generous.

The practical upshot: Japanese grades are often stricter than the same words would mean elsewhere. A Japanese “B” frequently looks better than a Western listing’s “good.”

How Japanese grades compare to Western condition terms

If you are used to eBay-style wording, here is a rough translation — and where the two systems diverge.

Japanese grade	Rough Western equivalent	eBay-style wording
N	Brand new with tags	New with tags
S	New without tags / pristine	New without tags / like new
A	Excellent / gently used	Excellent used condition
AB	Very good	Very good — light wear
B	Good	Good — visible wear
C	Fair / well-loved	Acceptable / pre-owned

The advantage of the Japanese system is that it is finer-grained. Western “good / very good / excellent” collapses several distinct states into three buckets; the Japanese scale splits the crucial middle — where most real-world luxury lives — into A, AB and B. That is exactly why serious collectors prefer it.

How to read a Japanese grade before you buy: five checks

A letter is a summary, not the whole story. Use these steps to turn a grade into a confident decision.

1. Match the grade to the photos. A trustworthy listing shows the exact corner, hardware or lining wear the grade implies. If an “AB” listing has no close-ups of wear, ask for them.
2. Read the flaw notes, not just the letter. Two “B” bags can differ: one with even patina, one with a single deep scratch. The written notes tell you which.
3. Check completeness. Dust bag, box, cards, receipts and serial or date codes support both value and authenticity. An AB piece with full accessories can beat a bare A.
4. Separate condition from authenticity. The grade is about wear only. Authenticity is a different check — a reputable listing states both.
5. Weigh grade against price and demand. For a common model, hold out for A/AB. For a rare one, a strong B may be the only sensible entry point.

Which grade should you buy?

For an everyday luxury piece you will use hard, B is often the smartest money — honest wear, real savings. For a piece you want to feel special, or to resell later, A or AB holds the best balance of condition and price. Reserve N/S for gifts, investment-grade rarities, or when you simply refuse any sign of a previous owner. There is no single “right” grade — only the right grade for how you will use the item.

Frequently asked questions

What does grade AB mean on a used bag?

AB means “very good”: the bag has been used but shows only light wear visible on close inspection, such as faint corner rubbing or minor hardware scratches. It is one of the most popular grades because it balances condition and price.

Is an A-grade bag worth more than AB?

Usually slightly, because A shows less wear. But the two are close, and an AB bag with full accessories can be a better overall value than a bare A-grade one.

Does the Japanese grade guarantee the item is authentic?

No. Grading describes condition only. Authenticity is verified separately by the dealer. A reputable listing states both the condition grade and the authentication result.

Is grade B still good?

Yes. B means honest, visible wear, but the item is fully usable and often a smart buy for someone who wants a luxury piece without paying for near-mint condition.

Who assigns these grades?

The selling dealer or auction house. In Japan these are typically licensed secondhand dealers (kobutsusho), which is why the grading tends to be consistent and conservative.

UDC Luxe Tokyo is a licensed Japanese secondhand dealer. Every piece we list is authenticated and graded on this scale, with close-up photographs of any wear. Questions about a specific item’s condition? Message our specialist on WhatsApp or browse the collection.