Saint Laurent Serial Number Checker
Modern Saint Laurent bags carry the most readable code in luxury: three workshop letters, a six-digit style number, a dot, then four date digits — month first, year second. PMR657228.0422 reads April 2022, no interlacing, no era tables.
Vintage Yves Saint Laurent pieces are different: twelve digits split by a dot, with no letter prefix and no published date reading — the checker identifies that format rather than inventing a year for it.
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How to read it
Split at the dot. Before it: three letters naming the workshop and six digits naming the style. After it: MMYY — two digits for the month, two for the year.
| Format | Shape | Reading |
|---|---|---|
| Modern Saint Laurent | PMR 657228 . 0422 | workshop · style number · month 04, year 22 → April 2022 |
| Vintage Yves Saint Laurent | 12 digits split by a dot | no letter prefix; no published date reading — era identification only |
Where to find it on the item
Look for a small rectangular leather tag in the lining, near the zip or inside an interior pocket. Newer models heat-stamp the code directly into the lining instead of a tag.
Worked examples
Reading PMR657228.0422
PMR = workshop, 657228 = style. After the dot, 04 and 22: April 2022.
Reading AGL577999.1019
After the dot, 10 and 19: October 2019, from workshop AGL.
Reading 128234.467891
Twelve digits split by a dot, no letters: the vintage Yves Saint Laurent marking — the format carries no published date.
Saint Laurent serial number questions
Where do I find the date in a Saint Laurent serial?
After the dot: four digits, month then year. 0422 is April 2022 — no interlacing, no lookup table.
What do the three letters mean?
They identify the workshop that made the bag. Saint Laurent doesn't publish the workshop registry, so the letters verify format rather than location.
Does a correct serial prove authenticity?
No — counterfeiters copy the format. It rules out crude fakes; materials, stitching and hardware settle the rest.
My vintage YSL has twelve digits and no letters — fake?
No — that's the correct vintage Yves Saint Laurent format, from before the 2012 rebrand. It simply carries no published date reading.
Does the style number tell me the model?
It maps to one, but Saint Laurent doesn't publish the mapping. Retail listings for the same model often quote the same six digits — a practical cross-check.
The tag is fabric, not leather — is that wrong?
Newer models increasingly heat-stamp the code straight into the lining, and some styles use different tag materials. Placement and stamp quality matter more than the tag material alone.
The date is after I bought the bag new — how?
It can't be. A production date later than the purchase is a hard contradiction — treat the piece as suspect and have it professionally authenticated.
Can the serial tell me the bag's value?
It dates and identifies the style — value comes from model, condition and demand. The live Saint Laurent pieces below show current UAE asking prices.