A four-character stamp tucked inside a leather tab can tell you roughly when and where a Louis Vuitton bag was made, and that alone can save you from paying good money for a bad copy. The Louis Vuitton date code is the first thing experienced resellers look for when a brown monogram bag turns up on a thrift rack.
Here's the catch that trips up beginners. A correct-looking code doesn't make a bag genuine. Fashionphile's authentication team says plainly that date codes don't verify authenticity by themselves, because many counterfeits carry codes in the right format. So think of the Louis Vuitton date code as a consistency check. If it doesn't fit the bag, walk away. If it does, keep looking.
What a Louis Vuitton date code actually tells you
Every code pairs two letters with four digits on most bags from 1990 onward. The letters name the workshop, and the digits hide a month or a week plus a year. It isn't a unique serial number, so two identical bags from the same batch can share the same stamp.
A date code is a filter, not a verdict. It can prove a bag is fake when the numbers don't make sense, but it can never prove a bag is real on its own.
Why the factory letters matter
The two letters point to a country. According to Fashionphile's factory list, France uses more than 20 codes, including AA, AR and SP, while Italy uses codes such as BC, FO and SA, and Spain uses CA, LO and LM. The United States has its own set, including FH, OS and LA. The heat stamp on the bag should agree with that country, so a Spanish code sitting under a Made in France stamp deserves a hard second look.
Reading the LV date code by era
The format changed several times, and a stamp in the wrong format for the bag's era is one of the easiest fakes to catch. Fashionphile breaks it into four stages, and the examples below are theirs.
| Era | Format | Example |
|---|---|---|
| Early 1980s | 3 or 4 digits, year then month | 844 means April 1984 |
| Mid to late 1980s | Digits plus 2 letters | 882 VI means February 1988, France |
| 1990 to 2006 | 2 letters, month and year digits interleaved | SP0065 means June 2005, France |
| 2007 to 2021 | 2 letters, week and year digits interleaved | SR3179 means week 37 of 2019, France |
Decoding a 1990s or 2000s stamp
On a code from 1990 through 2006, read the first and third digits together for the month, then the second and fourth for the year. SP0065 gives you 0 and 6 for June, and 0 and 5 for 2005. If the month comes out as 13 or higher, the stamp is wrong and so is the bag.
Decoding a 2007 or later stamp
From 2007, the same two pairs give you a week and a year instead. SR3179 splits into 3 and 7 for week 37, and 1 and 9 for 2019. It's the same trick, just a different unit, so any LV date code checker online is really doing this simple swap for you.
- 1.Find the two letters and match them to a country
- 2.Pull digits one and three for the month or week
- 3.Pull digits two and four for the year
- 4.Ask whether that year fits the bag's style and hardware
How To Read Louis Vuitton Date Codes
Where to find the stamp on a vintage Louis Vuitton bag
Placement varies by model, and a stamp in an odd spot is its own red flag. Madison Avenue Couture's authentication guide maps the usual locations, and it's worth memorizing the three shapes you'll see most on a thrift rack.
- •Speedy and Keepall: leather tab in the inner pocket or near the top seam
- •Neverfull: a small leather tab inside the interior zip pocket
- •Alma: a little leather tab stitched along an interior seam
- •Wallets: inside a pocket, behind card slots, or along a side seam
Bring a light and a little patience
Older stamps fade, and on a 1990s Speedy the tab often sits deep in a dark pocket. Use your phone's flashlight at a low angle so the pressed letters throw a shadow. Crisp, evenly spaced characters are what you want, and a stamp that looks printed rather than pressed is a problem.
How to tell if a Louis Vuitton bag is real beyond the code
Knowing how to tell if a Louis Vuitton bag is real means checking the whole bag, not just one tab. Madison Avenue Couture lists what authenticators flag on fakes: a format that doesn't match the era, letters and numbers in the wrong order, a stamp that looks different from genuine ones, a date that doesn't fit when the style was made, and a code sitting where that model never had one.
- •Code format matches the decade the style was sold
- •Factory letters agree with the Made in stamp
- •Decoded year falls inside the model's production run
- •Stamp is pressed and crisp, not printed or smudged
- •Tab location matches where that model carries it
If a bag fails any one of these checks, you don't need to know which fake it is. You only need to know you're not paying for it.
When to pay for professional authentication
For anything you plan to list above a few hundred dollars, paid Louis Vuitton authentication is cheap insurance. Selling a fake by accident, even once, costs you the refund, the fees and your buyers' trust. The same logic applies to other brands, which is why we walked through how to tell a real Coach bag from a good fake with the same step-by-step mindset.
What a real find is worth once you've checked it
The money is real, but it's not lottery money for the common pieces. On CollectorSquare's Speedy 30 price records, dealer listings for second-hand Speedy 30 bags sat at €890 to €980, while two standard Speedy 30s sold at auction in 2024 for €393 and €404.
Special editions sit on a different shelf. The same records show a 2000s black Multicolore Speedy 30 at €1,507 and a 2008 orange Graffiti Speedy 30 at €2,142. Those are the finds that make a date code worth reading carefully, because the year on the stamp has to line up with the year that line was actually produced.
| Speedy 30 type | Price seen | Where |
|---|---|---|
| Standard monogram | €393 to €404 | 2024 auction results |
| Monogram or Damier | €890 to €980 | Dealer listings |
| Black Multicolore, 2000s | €1,507 | Auction result |
| Orange Graffiti, 2008 | €2,142 | Auction result |
The gap between a €400 auction sale and a €950 dealer listing is your margin. Condition, clean lining and a matching date code are what move a bag from one number to the other.
Condition decides which number you get
Sticky linings, cracked leather trim and dark water spots on the vachetta handles push a bag toward the auction figure. A clean interior and handles with even honey patina push it toward the dealer price. Snap photos of all of it before you list, and compare against sold listings, not asking prices, when you set your own number.
Bags made after 2021 have no stamp at all
If you find a recent bag with no stamp anywhere, don't panic. Louis Vuitton started placing RFID chips in some bags around 2019, and the South African reseller Luxity reports the house dropped date codes on new bags in spring 2021. The chip is paper thin and sits under the lining, so you won't see it.
You also can't read it. Luxity notes that the stored details, such as factory, style and sale information, are only visible through a Louis Vuitton staff app. For a chipped bag, authenticity comes down to materials, stitching, hardware and a professional opinion, which is exactly where a vintage Louis Vuitton bag with a readable stamp gives thrifters an easier path.
Quick answers before you head to the register
Is a Louis Vuitton date code checker worth using?
A Louis Vuitton date code checker is handy for a quick decode while you're standing in the aisle. Just remember it only confirms the format is plausible. It can't tell you whether the canvas, stitching and hardware around that code are genuine.
Is the Louis Vuitton serial number the same thing?
Mostly, yes. People say Louis Vuitton serial number when they mean the date code, but the stamp isn't unique to one bag. Several bags from the same workshop and week can carry an identical code, so a matching code on two listings isn't automatically suspicious.
How can I tell if an LV bag is real in the store?
Check the stamp format against the era, match the factory letters to the Made in heat stamp, and look at stitching and hardware for sloppy work. If the price is low enough to gamble on and it passes those checks, buy it and get it authenticated before you list. For other precious finds, our guide on testing whether thrifted gold is real follows the same buy, verify, then list habit.
Do Louis Vuitton original handbags always have a date code?
No. Louis Vuitton original handbags older than the early 1980s formats Fashionphile documents may carry no code at all, and many bags made after spring 2021 carry a chip instead. A missing stamp only matters when the bag's style and era say one should be there. You can learn more about how we value finds like these at thrifting.app.
Ready to stop guessing and start profiting? Snap a photo of that monogram bag with Thrift Scanner, get real sold-price data in seconds, and know whether the Louis Vuitton date code and the price tag add up before you hand over a dollar. Get the app here: iOS or Android.