How to Authenticate a Louis Vuitton OnTheGo Bag: 9 Checks

How to Authenticate a Louis Vuitton OnTheGo Bag: 9 Checks (2026)

The Louis Vuitton OnTheGo is the young tote with an old tote's confidence: a square, structured carryall in Giant Monogram canvas with Monogram Reverse on the reverse face, twin Toron top handles, long shoulder straps and a hook-closed interior built for files, a laptop and daily clutter. Launched in the large GM size in 2019 and followed by MM and PM sizes, it became the Neverfull's squared-off rival — and, inevitably, one of the most copied Louis Vuitton totes in resale. Copies get the big LVs right at listing distance. They fail where this guide looks: the exact size class claimed, the alignment of the Giant and Reverse motifs across faces and seams, the handle and strap set, the stitch rhythm that holds a square body square, the cowhide trim and Empreinte embossing, the lining and pocket set inside, the heat stamp's letterforms, provenance by era — a two-letter, four-digit date code before March 2021, an embedded chip with no printed code after it — and the gold-tone hardware read as one programme. Louis Vuitton readers should start beside our Louis Vuitton Neverfull guide, Louis Vuitton Alma guide, Louis Vuitton Speedy guide and Louis Vuitton Pochette Métis guide: the four share the house rules on canvas, heat stamps and date codes, while the OnTheGo adds the two-faced Giant/Reverse construction no other everyday LV tote carries in this form. Series context: How to Authenticate a Gucci Horsebit 1955 Bag · How to Authenticate a Gucci Dionysus Bag · How to Authenticate a Chanel Coco Handle Bag · How to Authenticate a Hermes Evelyne Bag · How to Authenticate a Prada Re-Edition 2005 Bag · How to Authenticate a Chanel Wallet on Chain · How to Authenticate a Bottega Veneta Cassette Bag · How to Authenticate a Fendi Peekaboo Bag · How to Authenticate a Hermes Constance Bag · How to Authenticate a Dior Book Tote · How to Authenticate a Loewe Puzzle Bag · How to Authenticate a Gucci Jackie 1961 · How to Authenticate a Saint Laurent Manhattan · How to Authenticate a Dior Lady Dior Bag · How to Authenticate a Hermes Kelly Bag · How to Authenticate a Goyard Saint Louis Tote · How to Authenticate a Celine Triomphe Bag · How to Authenticate a Bottega Veneta Jodie · How to Authenticate a Balenciaga City Bag · How to Authenticate a Fendi Baguette Bag · How to Authenticate a Cartier Love Bracelet · How to Authenticate a Prada Galleria Bag · How to Authenticate a Saint Laurent Loulou · How to Authenticate a Gucci Marmont Bag · How to Authenticate a Dior Saddle Bag · How to Authenticate a Hermes Birkin · How to Authenticate a Chanel Classic Flap · How to Authenticate a Chanel 19 Bag · How to Authenticate a Chanel Boy Bag.

Quick note: no single check proves a bag is real. Authenticators weigh all nine together — and against the size, material and production era the bag claims to be. A detail that is correct for a 2019 canvas GM is a red flag on a bag claimed to be a 2023 PM, and the reverse is also true.

Short answer

An authentic Louis Vuitton OnTheGo is a square structured tote launched in GM in 2019 (MM followed, then PM; BB and East-West are later smaller proportions), made most often in Giant Monogram canvas with Monogram Reverse on the other face — two bags in one — or in Monogram Empreinte leather, with twin Toron top handles, long shoulder straps, a hook closure and no outside pocket. Louis Vuitton's own size ladder runs GM 41 x 34 x 19 cm, MM 35 x 27 x 14 cm, PM 25 x 19 x 11.5 cm and East-West 25 x 13 x 10 cm. The Monogram sits symmetrical, centred and never awkwardly cut at seams, the stitching is thick, waxed, even and colour-matched, the interior carries a large flat zipped pocket and flat pockets in a textile or microfiber lining by version, the heat stamp shows LV's round O and sharp, narrow letterforms at even depth, and provenance is era-correct: a heat-stamped date code of 2 letters + 4 digits (digits 1 and 3 for the week, 2 and 4 for the year) before March 2021, and an embedded RFID chip with no printed date code from March 2021. Fakes most often fail on a size that matches no rung of the ladder, Giant motifs that drift or are sliced at seams, a missing pocket set, shallow or drifting stamp letterforms, and a printed date code on a bag claimed to be post-2021.

1. Model, Size and Silhouette — Name the Bag First

Start by fixing which OnTheGo the bag claims to be, because the name now covers five proportions and two material families:

• Place the model. The OnTheGo was introduced in 2019 in the GM (large) size in Giant Monogram / Monogram Reverse coated canvas; the MM followed (2020 in most release accounts) and the PM after it (2021), with the smaller BB and the elongated East-West as later additions to the same square-tote idea. Listings that present a PM as a 2019 launch bag contradict the model's own timeline — judge the claimed size against the claimed year before any material is read.
• Know the size before you measure. Louis Vuitton's published ladder is GM 41 x 34 x 19 cm (about 16.1 x 13.4 x 7.5 in), MM 35 x 27 x 14 cm, PM 25 x 19 x 11.5 cm, East-West 25 x 13 x 10 cm, with BB at about 18 x 15 x 8.5 cm where that size is offered. Measure an empty, closed bag: the OnTheGo is structured and holds its square shape, so readings should land close to the claimed rung. Certified resale examples of the GM measure about 16.4 x 13.25 x 6.75 in by their own tape — small tape differences are measuring method, a full size-class jump is a different bag or a copy.
• Read the silhouette. A genuine OnTheGo reads square and architectural, flat-based and self-standing empty, the Giant face and the Reverse face each reading as a complete composition. Replicas slump at the corners, pinch at the base, or run a GM's height on an MM's width — proportion fails that no stamp can rescue, the same discipline as on the Louis Vuitton Alma, where the claimed size must match the bag before any other check is read.
• Trust construction over the listing title. Sellers apply "OnTheGo" to Neverfull-shaped totes and unrelated Giant-print bags — the square body, hook closure, twin Toron handles and pocket set in hand outrank the label.

2. Giant and Reverse Monogram: Alignment Is the Branding

On canvas versions the surface is the signature — one face Giant Monogram, the other Monogram Reverse, with Reverse carried onto sides and handle trim on the classic canvas make:

• Read the two-faced programme. The classic canvas OnTheGo is Giant Monogram on one side and Monogram Reverse on the other, a deliberate two-bags-in-one contrast in colour and scale, the sides and handles continuing the Reverse contrast. A bag Giant on both faces, Reverse on neither, or with the contrast applied to panels the model never contrasts is an assembled description, not a variant.
• Read the alignment. On genuine canvas the logo placement is symmetrical, centred and consistent with the bag's proportions, never cut off awkwardly at seams or hidden behind stitching. Run the check on both faces and around the side gussets: the Giant motifs scale evenly, the Reverse motifs hold their rhythm at the corners, and no LV is beheaded by a seam. Fakes drift — motifs crowd at one edge, change size between faces, or slice through a flower at the base where the genuine layout keeps the composition whole.
• Read the canvas in the hand. Genuine coated canvas is firm, not floppy, with a matte, slightly grained surface; the motifs sit into that grain rather than floating as a glossy print. Counterfeit canvas reads rough, plasticky or overly smooth, the colour skewing dull or orange where the genuine brown stays controlled — the same canvas discipline as in our Louis Vuitton Speedy guide.
• Apply the leather read to Empreinte. On Monogram Empreinte and bicolor Empreinte versions there is no printed motif to align: read instead the depth and evenness of the embossed Giant Monogram in the grained leather, consistent from panel centre to edge. Shallow centres, doubled impressions or embossing that fades at the corners fail the leather before the stamps are reached.

3. Toron Handles and Shoulder Straps: Two Carries, One Standard

The OnTheGo is carried two ways, and both carries are made to one standard:

• Know the set. The bag wears twin Toron top handles for hand or elbow carry and two long shoulder straps for shoulder carry; on the GM the shoulder straps drop about 28 cm (11 in), enough for the shoulder, not for crossbody. The smaller PM and BB sizes add a removable, adjustable strap for shoulder or crossbody carry where that size is offered — judge a strap claim against its size rung: a GM sold with only a thin crossbody strap and no long shoulder pair is missing half its carry programme.
• Read the handles. Toron handles are rolled, taut and evenly finished, their attachments stitched with the same thick thread and rhythm as the body. Handles that pinch flat, twist at the bases, or show edge paint of a different colour from the trim belong to a parts set.
• Read the straps. The long straps should lie flat, match the handles in leather or canvas programme, and attach cleanly without loose threads or skewed hardware points. On canvas versions the strap and handle trim continue the Monogram / Reverse contrast of the body — a plain, mismatched strap set on a classic canvas bag contradicts the two-faced programme of check 2.
• Work the carries. Lift the bag by the Toron handles, then by the shoulder straps: both should take weight without creaking, pulling at attachments, or deforming the top edge out of square. Carry hardware must carry.

4. Stitching and Structure: Thick, Waxed, Even

A square tote advertises its construction honestly — there is nowhere for loose work to hide:

• Read the thread. Louis Vuitton stitching is thick, waxed, evenly spaced and straight, in thread matched to the panel it sews, with a consistent stitch count where handles attach. Counterfeits show crooked, loose or overly tight stitching, thin thread, and corner stitching that loses its sharpness — tabs and handle attachments are where sloppy work appears first.
• Read the corners. The OnTheGo's structure lives at its four vertical corners and flat base: seams should run true, the base should sit flat, and the body should hold its square empty. Popped stitches at corners and structure loss are documented even on genuine carried examples as wear — on a bag sold as new or mint, they are manufacture or misdescription, not patina.
• Read inside against outside. Interior seams, zip tape and pocket edges should hold the same even rhythm as the exterior. A tote precise outside and loose inside is assembled from two standards, and assembled is the polite name for fake, here as on the Louis Vuitton Pochette Metis.
• Weigh wear honestly. Softened corners and a base that has learned its owner's floor are use on a 2019–2021 bag. Wandering stitch lines, mixed thread colours and a body that never stood square are manufacture — they were wrong the day the copy was made.

5. Trim, Vachetta and Empreinte: Read the Leather Clock

Around the canvas, the leather programme carries both the finish and the timeline:

• Know the trim. Canvas versions are finished with cowhide-leather trim; where natural vachetta is used it starts pale and develops an even honey-coloured patina over time, with a slight leather scent and a smooth, durable finish. Fake trim stays pale, dries out, or discolours unevenly, especially under sun — bright, untouched handles on a bag claimed to be a carried 2019 GM contradict its own story.
• Read the trim as a set. Handles, straps, base and side trim must agree in leather, tone and stitch quality across the whole bag. One handle aging differently from its twin, or trim leather that changes grain between panels, means mixed production.
• Read Empreinte grain. On leather versions the grained cowhide should be supple and even, the embossed Monogram sitting at consistent depth (check 2), the bicolor versions holding a clean two-tone boundary. Synthetic leather that reads unnaturally perfect, rubbery or chemical-smelling fails the material before any stamp is read.
• Separate use from manufacture. Even darkening, softened handles and faint surface marks consistent with the claimed year are use. Cracking on a claimed-new bag, patchy colour and plastic shine are manufacture.

6. Interior: Lining and the Pocket Set

Inside, the layout is fixed within each size — copies simplify it:

• Know the pocket set. The classic interior is one large main compartment with a large inside flat zipped pocket and two inside flat pockets, and no outside pocket. Certified GM examples record one zip pocket (with two slip pockets on later examples) — a tote with no zip pocket at all, or with an outside pocket the model never carries, contradicts the model. Open the zip pocket: it belongs to check 8, because provenance hides around it on pre-2021 bags.
• Read the lining by version. Canvas versions are published with a textile lining; specialist references record the OnTheGo lining as microfiber suede in beige, red or black by version, and carried canvas examples show a red textile interior. Judge the lining against the claimed version, then read its quality: genuine lining is dense, evenly woven or smoothly sueded; thin, stiff, shiny or rough lining in a colour no version used fails the interior.
• Read the closure. The top closes with a hook closure over an open top — clasp and open-top are both recorded on certified examples. A full zip top on a classic canvas GM/MM, or a missing hook, contradicts the size's published construction.
• Read the construction. Pocket mouths should be reinforced, the zip should run smoothly end to end (check 9), and lining should attach without bubbling, puckering or visible glue at the edges. An interior that twists when the zip is worked belongs to a different standard from the exterior.

7. The Interior Heat Stamp: Round O, Sharp L, Even Depth

Inside the bag, the stamp carries era and origin in two lines:

• Read the words. The stamp reads LOUIS VUITTON PARIS with the made in country line below — France, Spain, Italy and the USA are the OnTheGo's recorded production countries. Louis Vuitton does not make these bags in China; a "Made in China" line ends the assessment.
• Read the font. Louis Vuitton's letterforms are specific: round Os, a sharp and narrow L, evenly spaced characters and a small, correct registered mark — on fakes the mark swells, letters touch or misalign, and pressed lettering runs shallow and uneven where the genuine stamp is deep and defined. Printed logos on labels or linings must be clear, evenly inked and correctly aligned; faded prints and wrong proportions fail on sight.
• Read the depth. A genuine heat stamp is pressed into the leather or tab at uniform depth across every letter. Depth that changes letter to letter, a doubled outline, or foil sitting on the surface instead of an impression in it is replica tooling.
• Cross-check the origin. The country line and the date code's factory letters (check 8) must tell the same origin story: several factory codes are shared between countries, so the pair is read together, and a factory code from the wrong country for the stamped origin fails the provenance set.

8. Date Code or RFID Chip: Provenance by Era

The OnTheGo was born in 2019, squarely across Louis Vuitton's provenance switch — which makes era the sharpest single read on this model:

• Find the code where it belongs (2019 to March 2021). On pre-chip bags the date code sits inside the bag, around the interior pocket seams or on a small leather tab, stamped, never ink-printed loosely onto lining where it can smear. Specialist references for this model place older OnTheGo codes on an interior seam or leather tab, and resale examples follow the format concretely: a Reverse GM recorded as SD4199 (2019), an MM recorded as TR1260 (circa 2020) — two letters, four digits, in both cases.
• Read the format. From 2007 to March 2021 the code is 2 letters (factory location) + 4 digits, with the first and third digits for the week and the second and fourth for the year — SD4199 therefore reads as week 49 of 2019, matching its 2019 GM. The factory letters must be a real factory code and must agree with the made-in line of check 7. Impossible weeks, fantasy factory letters, or a code whose year predates the OnTheGo's 2019 launch fail here.
• Read the chip era correctly (from March 2021). Later bags have no visible date code by design; provenance lives on an embedded RFID/NFC chip in the lining, which internal systems read and which a phone may detect without returning consumer data. Certified OnTheGo examples split exactly on this line: circa-2020 GMs recorded not microchipped, circa 2021–2023 GMs recorded microchipped. The decisive tell runs against the usual panic — a bag claimed to be made after March 2021 that carries a printed date code is fake, while a post-2021 bag with no code is correct. A silent phone scan alone proves nothing in either direction.
• Weigh it correctly. Date codes are not unique serial numbers — the same code can appear on more than one bag, and counterfeiters copy plausible codes, so a readable code supports the other eight checks and never replaces them. A correct-era code or chip on a bag that fails canvas, stitching and stamp rescues nothing, here as on the Louis Vuitton Neverfull guide.

9. Hardware, Hook and Packaging: The Supporting Set

The last check gathers the metal and the box — each weak alone, decisive together:

• Read the hardware. The OnTheGo's hardware is gold-colour (gold-tone) metal of real weight — never plastic — with precise, deep engraving where lettering appears and fonts that match the house standard: clean, elegant, evenly spaced. Lightweight metal, hollow-feeling pieces, shallow engraving, wrong logo fonts and finishes that fade or flake at touch points fail the metal.
• Work the hook and zip. The top hook should engage positively and release cleanly, and the interior zip should run smoothly with even resistance on a neatly sewn tape. A hook that needs forcing sideways, or a zip that binds and pulls the lining with it, contradicts the construction of checks 3 and 6. Hardware, hook and zip in different gold tones on one bag mean mixed production.
• Read the packaging plainly. Louis Vuitton does not issue authenticity cards — a card claiming to certify the bag is itself a tell. Genuine dust bags have changed over the years, from brown flannel to beige cotton with navy or blue lettering; incorrect font, colour or stitching on the bag fails it, and a correct dust bag rescues nothing above it. Receipts carry a style number (a letter followed by five digits), not the date code — compare a receipt's date against the date code's week and year, never the reverse. Price belongs in this paragraph too: it is not a check in either direction, and a plausible price rescues nothing.
• Close the ensemble. Size rung (check 1), two-faced canvas (check 2), handles and straps (check 3), stitching (check 4), trim (check 5), lining and pockets (check 6), stamp (check 7), era provenance (check 8) and hardware (check 9) must all describe the same bag of the same size, material and year. A 2019 date code under a post-2021 interior, Giant motifs sliced at seams over perfect stamps, or PM measurements sold as a GM is an assembled bag — assembled from parts is the polite name for fake.

At a glance: authentic vs. fake

FAQ

When was the Louis Vuitton OnTheGo launched, and in which sizes? In 2019, in the large GM size in Giant Monogram / Monogram Reverse canvas. The MM followed (2020 in most release accounts) and the PM after it (2021), with the smaller BB and the elongated East-West as later additions to the same square-tote family. Louis Vuitton's published size ladder is GM 41 x 34 x 19 cm, MM 35 x 27 x 14 cm, PM 25 x 19 x 11.5 cm and East-West 25 x 13 x 10 cm, with BB at about 18 x 15 x 8.5 cm where offered.

Where is the date code on an OnTheGo, and why does mine have none? On bags made from 2019 to March 2021, inside the bag around the interior pocket seams or on a small leather tab, in the format 2 letters + 4 digits (the first and third digits give the week, the second and fourth the year). From March 2021 Louis Vuitton replaced visible date codes with an embedded RFID chip in the lining, so a later OnTheGo correctly has no printed code — and a bag claimed to be post-2021 that shows a printed code is fake. The code is not a unique serial number; the same code can appear on more than one authentic bag.

Does the OnTheGo come with a shoulder strap? It comes with two ways to be carried: twin Toron top handles and two long shoulder straps (a drop of about 28 cm on the GM) for hand, elbow and shoulder carry. The smaller PM and BB sizes add a removable, adjustable strap for shoulder or crossbody wear where that size is offered. Check the set against the size rung in hand — a GM/MM missing its long shoulder pair is incomplete, and a thin crossbody strap alone does not replace it.

What is inside an authentic OnTheGo? One large main compartment with a large inside flat zipped pocket and two inside flat pockets, no outside pocket, and a hook closure over the open top. The lining is textile on canvas versions and microfiber suede (beige, red or black) by version on others; carried canvas examples show a red textile interior. Whatever the version, the pocket set and closure should match the size and material the bag claims to be.

Can wear make a real OnTheGo look fake? Yes, in the places copies are also weak, which is why wear must be dated, not just noted. Corners soften and can lose structure, vachetta deepens unevenly where hands favour one handle, and lining shows use — documented even on certified carried examples. Even, gradual wear consistent with the claimed year is use. A size that matches no official rung, Giant motifs sliced at seams, a printed date code on a claimed 2023 bag and thin, shiny lining were wrong the day the copy was made.

Bottom line

Authenticating an OnTheGo is an ensemble exercise that starts with the ladder: fix the size rung and its launch year first, then read a two-faced Giant/Reverse canvas aligned symmetrically and never sliced at seams — or Empreinte embossing deep and even — twin Toron handles and long shoulder straps made to the body's standard, thick waxed stitching that holds a square body square, trim that has aged on the same clock as its story, and an interior whose lining, pocket set and hook closure match the claimed version. Provenance must agree with itself — a two-letter, four-digit week-and-year code on an interior seam or tab before March 2021, an embedded chip and no printed code after it, its factory letters matching the made-in line beside a round-O, sharp-L heat stamp — and the gold-tone hardware must work as smoothly as it reads. One failed check is a warning; a size off the ladder, sliced motifs or a printed code on a post-2021 bag is a walk-away. For a high-value purchase, a professional authentication is cheap insurance — and any seller who refuses one is telling you something.

Related reading: How to Authenticate a Gucci Horsebit 1955 Bag · How to Authenticate a Gucci Dionysus Bag · How to Authenticate a Chanel Coco Handle Bag · How to Authenticate a Louis Vuitton Pochette Metis · How to Authenticate a Hermes Evelyne Bag · How to Authenticate a Prada Re-Edition 2005 Bag · How to Authenticate a Chanel Wallet on Chain · How to Authenticate a Louis Vuitton Alma Bag · How to Authenticate a Bottega Veneta Cassette Bag · How to Authenticate a Fendi Peekaboo Bag · How to Authenticate a Hermes Constance Bag · How to Authenticate a Dior Book Tote · How to Authenticate a Loewe Puzzle Bag · How to Authenticate a Gucci Jackie 1961 · How to Authenticate a Saint Laurent Manhattan · How to Authenticate a Dior Lady Dior Bag · How to Authenticate a Hermes Kelly Bag · How to Authenticate a Goyard Saint Louis Tote · How to Authenticate a Celine Triomphe Bag · How to Authenticate a Bottega Veneta Jodie · How to Authenticate a Balenciaga City Bag · How to Authenticate a Fendi Baguette Bag · How to Authenticate a Cartier Love Bracelet · How to Authenticate a Prada Galleria Bag · How to Authenticate a Saint Laurent Loulou · How to Authenticate a Gucci Marmont Bag · How to Authenticate a Louis Vuitton Speedy · How to Authenticate a Louis Vuitton Neverfull · How to Authenticate a Dior Saddle Bag · How to Authenticate a Hermes Birkin · How to Authenticate a Chanel Classic Flap · How to Authenticate a Chanel 19 Bag · How to Authenticate a Chanel Boy Bag

Sources

Facts in this guide were checked against the following public sources:

• Size ladder GM 41 x 34 x 19 cm, MM 35 x 27 x 14 cm, PM 25 x 19 x 11.5 cm and East-West 25 x 13 x 10 cm, with Monogram Empreinte, bicolor Empreinte and Monogram Reverse canvas versions — Louis Vuitton official product page, "OnTheGo East-West Monogram Empreinte Leather": https://en.louisvuitton.com/eng-nl/products/onthego-east-west-monogram-empreinte-nvprod4670034v/M23640?dispatchCountry=DK
• 2019 release and permanent-collection history, Giant Monogram on one side and Monogram Reverse on the other as two bags in one, sizes PM/BB/MM/GM with BB about 18 x 15 x 8.5 cm, interior of 1 large main compartment with a large inside flat zipped pocket and 2 inside flat pockets and no outside pocket, textile lining, gold-colour hardware, hook closure, twin handles with removable adjustable straps on the small BB/PM sizes, and production in France, Spain, Italy and the US — Bragmybag, "Louis Vuitton OnTheGo Bag": https://www.bragmybag.com/louis-vuitton-onthego-bag/
• Launch sequence of GM in 2019, MM in 2020 and the smallest PM in 2021, both GM and MM with top handles and longer shoulder straps, original design in Monogram Giant canvas with Monogram Reverse pattern — PEP.ph, "Get to know Louis Vuitton OnTheGo": https://www.pep.ph/lifestyle/fashion/176857/louis-vuitton-on-the-go-a1280-20231127?ref=article_tag
• GM specification of 41.0 x 34.0 x 19.0 cm (16.1 x 13.4 x 7.5 in) in Monogram with cowhide-leather trim, textile lining and gold-colour hardware, 2 Toron top handles for hand or elbow carry, 2 long leather shoulder straps with a drop of 28 cm (11 in) for shoulder carry, and a flat zipped pocket plus double pocket inside — Louis Vuitton product specification for the OnTheGo GM (M44576) as republished by eLuxury: https://eluxury.co/m44576-louis-vuitton-2020-spring-onthego-gm-black.html
• Date-code system of 2 letters plus 4 digits to March 2021 (first and third digits for the week, second and fourth for the year), replacement by RFID chips after March 2021 with heat stamps retained, codes as non-unique production records located inside pockets near seams or on leather tags, and the need to read code font, colour and location together — LVBagaholic, "A Complete Guide to Louis Vuitton Date Codes": https://lvbagaholic.com/blogs/lv_bagaholic/a-complete-guide-to-louis-vuitton-date-codes-500-photo-examples
• Monogram placement symmetrical, centred and never awkwardly cut at seams, vachetta darkening evenly to a honey patina, thick waxed colour-matched stitching with consistent handle-attachment counts, brass and gold-tone hardware with deep engraving and smooth zippers, inside stamps with round Os and sharp narrow letterforms, pre-2021 date codes against post-2021 NFC chips, OnTheGo microfiber suede lining in beige, red or black, no Louis Vuitton authenticity cards, and dust-bag changes from brown flannel to beige cotton with navy lettering — LegitGrails, "How To Spot Real Vs Fake Louis Vuitton Bag": https://legitgrails.com/blogs/louis-vuitton/real-vs-fake-louis-vuitton-bag-legit-check
• OnTheGo-specific provenance placement of date codes on an interior seam or leather tab on older bags against an embedded chip with no visible code on newer ones across the circa-2021 transition, with production in France, Spain, Italy and the USA — A Retro Tale, "Louis Vuitton Monogram Giant Reverse Onthego MM Tote Bag": https://aretrotale.com/en/product/louis-vuitton-monogram-giant-reverse-onthego-mm-tote-bag
• Certified GM examples splitting on the chip line (a circa-2020 Monogram and Monogram Reverse GM at about 16.4 x 13.25 x 6.75 in with one zip pocket, clasp over open top, made in France and recorded not microchipped, against a circa 2021-2023 Reverse GM recorded microchipped with one zip and two slip pockets) — myGemma authenticated listings #124957 and #146026: https://mygemma.com/en-sg/products/124957-louis-vuitton-monogram-and-monogram-reverse-canvas-onthego-gm and https://mygemma.com/en-hk/products/146026-louis-vuitton-monogram-reverse-canvas-onthego-gm