How to Tell an Authentic YSL Bag from a Fake

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Use these tips to avoid getting stuck with a fake bag
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Saint Laurent’s YSL bags are among the most iconic and instantly recognizable fashion accessories out there. But such widespread acclaim and luxury comes with one big downside—fraudulent manufacturers trying to make a cheap buck. Luckily, YSL bags are so high quality that this is a hard bag to knock off. In this article, we’ll show you all of the core design elements and markers you need to look out for in a real YSL bag.

Things You Should Know

  • The main difference between a real and fake YSL bag can usually be found in the YSL logo, which is extremely intricate and hard to replicate.
  • The fonts used on the label and flap are all capital letters in a sans serif font on a real bag.
  • Every real YSL bag has a style number and an art number printed on the back of the label.
1

The Label

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    The label will be either at the base of the flap or tucked behind a pocket wall inside of the bag. You should see “MADE IN ITALY” in all caps. Behind that, you’ll find the style number and art number (these are kind of like serial numbers). YSL used to have a lookup service for this info, but it doesn’t anymore, so you’ll have to search online to see if other products online match your bag. If the bag is still in production, find it on YSL’s website and click “more details” to find your correct style ID. Here’s what a real YSL bag will have on the back of the label: [1]
    • A 6-digit style number.
    • A 4- to 5-digit art number.
    • If it’s a vintage bag, there will be a 12-digit serial number.
    • A prefix and dot before the style and art numbers on newer bags. This formatting should be consistent with all Kering brands, including Gucci and Balenciaga.
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2

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    The YSL logo is such a big part of the Saint Laurent charm and design that the details are carefully crafted and executed in real bags. If any element of the YSL logo looks cheap or incorrect, you’ve likely got a fake. Here’s what you’re looking for in a real bag: [2]
    • The left arm of the Y should be slightly thicker than the right arm.
    • The left arm of the Y should sit underneath the S and the right arm should be on top.
    • The middle of the S should overlap the L and then swoop behind it.
    • The bottom and top curves of the S should be thinner than the central portion.
    • The angle of the bend in the L shouldn’t be a little tighter than 90 degrees, and the left side of the bottom arm of the L should be thinner than the right.
    • Some bags include 4 mock nails in the corners—2 in the tops of the Y, 1 in the bottom left of the S, and 1 in the bottom right of the L. These are not a good indicator of authenticity, as some of the bags do not have them.
3

The Buttons

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    This lettering will be in capital letters and it will be evenly spaced. The text should be engraved and unpainted if the bag is legitimate. If the text is uneven or the lettering is very thick or hard to read, it’s probably not a legitimate bag. [3]
    • It’s extremely difficult for counterfeiters to match the quality of the tiny font. If the bag is new, you should have no problem at all reading the writing on the button(s).
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4

The Font

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    Look under the bag flap. All of the letters should be capitalized with no serif markers. The N and the T in “LAURENT” should touch. Also, note the two Rs. The R in “LAURENT” should have a rounded leg, while the R in “PARIS” is perfectly straight. If the Rs are identical, it’s a dead giveaway the bag is fake. [4]
5

The Zipper

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    Move the zipper back and forth and try to evaluate how heavy it is. Cheaper bags will often mix their metals with aluminum (or use pure aluminum). As a result, fake zippers will have a lightweight and flimsy quality to them.
    • If you have a chain strap, the zipper should be just as shiny and reflective as the chain is.
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6

The Stitching

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    YSL uses matelassé stitching, which is a French style of stitching designed to mimic the look of hand stitching. Each row will have the same width, and the number of stitches on each opposing side of the bag will be identical, so count the stitches. If the total number of stitches on each side match, the bag is probably real. [5]
    • Some YSL bags won’t have stitching around the edges—the sides will be glued together. Most of them are stitched, though.
7

The Quilting

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    The quilting on a YSL bag is meant to mimic a letter Y, in reference to Yves Saint Laurent. The individual sections that make up each quilt should be symmetrical, evenly spaced, and uniformly stitched. If you see any unevenness or the quilt sections are inconsistent, it’s probably a fake bag. [6]
    • If the bag isn’t used, the quilting on the front flap should overlap pretty evenly with the quilting underneath it.
    • The stitching that separates each quilt should also be even and uniform.
    • Some bags do not have quilting—they have stippled leather or sheepskin. You cannot rely on any stitching to determine if these bags are real or not.
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8

The Straps

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    YSL bags come in two distinct styles. There’s a leather strap, or a chain (some styles have both). Here’s what you’re looking for in each style: [7]
    • Leather straps: the edges should be stitched the same way the bag is, and there should be embossed lettering somewhere reading “SAINT LAURENT” or “SAINT LAURENT PARIS” depending on the width.
    • Chain straps: the chain should be curb-style with flat-facing links. There will always be a metal connector somewhere that reads “SAINT LAURENT.” There should be a peg-in-hole closure, although the design will vary.
9

The Dust Bag

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    The color of the dust bag will depend on the color of the bag, but it will always have either the YSL logo or the words “SAINT LAURENT” and “PARIS” in different fonts. The “PARIS” should also be smaller than the “SAINT LAURENT” above it. The fake bags will often make both sets of lettering the same size. [8]
    • The dust bag shouldn’t feel cheap. It should feel like a solid, expensive material.
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      Tips

      • YSL bags come in all kinds of different materials, so don’t rely on the material itself to determine if a bag is fake or not. [9]
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      • YSL bags come with authenticity cards. They’re white cards in a black envelope. Unfortunately, these are just pieces of paper and they’re relatively easy to replicate, so don’t put too much emphasis on the card.
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      References

      1. ↑ https://realstyle.therealreal.com/authentic-ysl-bag-cassandre-saint-laurent-paris/
      2. ↑ https://realstyle.therealreal.com/authentic-ysl-bag-cassandre-saint-laurent-paris/
      3. ↑ https://legitcheck.app/guides/yves-saint-laurent/fake-vs-real-ysl-kate-bag/
      4. ↑ https://realstyle.therealreal.com/authentic-ysl-bag-cassandre-saint-laurent-paris/
      5. ↑ https://realstyle.therealreal.com/authentic-ysl-bag-cassandre-saint-laurent-paris/
      6. ↑ https://realstyle.therealreal.com/authentic-ysl-bag-cassandre-saint-laurent-paris/
      7. ↑ https://realstyle.therealreal.com/authentic-ysl-bag-cassandre-saint-laurent-paris/
      8. ↑ https://www.extrabux.com/en/guide/5787598
      9. ↑ https://realstyle.therealreal.com/authentic-ysl-bag-cassandre-saint-laurent-paris/

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