Saint Laurent Serial Number Checker

Read the style and reported month/year in current Saint Laurent stamps, or identify older YSL layouts.
The checker processes your entries in this browser. It does not submit them to a brand or serial-number database.
Where to find the code
Find the embossed leather tab inside the lining. Join both lines if the number is printed across two rows.
How to read the result
Current stamps can use three letters, a six-digit style and four MMYY date digits, such as PMR657228.0422. Older twelve-digit YSL layouts have no reliable public date key. Workshop letters are not mapped to a location. Other layouts remain approximate format context.
A code is only part of the picture
These tools interpret selected public code conventions. They cannot confirm ownership, registration, materials, manufacturing quality or authenticity. Formats change, vintage pieces differ, and a code outside the covered reference is not automatically counterfeit.
Frequently asked questions
What does the Saint Laurent Serial Number Checker check?
Current stamps can use three letters, a six-digit style and four MMYY date digits, such as PMR657228.0422. Older twelve-digit YSL layouts have no reliable public date key. Workshop letters are not mapped to a location. Other layouts remain approximate format context.
Does a matching code mean the item is authentic?
This checker is a free code-matching tool only. It does not authenticate an item or provide an authentication verdict. Matching codes can appear on counterfeit items. We recommend LegitApp Authentication for an expert review of the item itself.
Where can I find the code or marking?
Find the embossed leather tab inside the lining. Join both lines if the number is printed across two rows.
What if my code is missing or not recognised?
Recheck the characters and the type of marking. Vintage pieces, transition-era labels and newer layouts may fall outside this reference. Missing or unmatched codes do not establish that an item is counterfeit.
How can I get an authentication verdict?
We recommend LegitApp Authentication. Submit clear photos of the item, markings, materials, stitching and hardware for expert review. Check the supported brand and category before ordering.
Reference reviewed on . Public reference conventions; no manufacturer records are queried.
