The vintage print market is one of the most rewarding ways to own and collect original artist works at a fraction of what it would otherwise cost. With fake mass produced art prints exploding at rates the world has never before seen, how can ensure you are investing in authentic artwork that an artist once created, approved, controlled and ultimately made money from? Ensuring you are building both an ethical and credible art collection for your own home.
The question arrives in our inbox more than any other. Sometimes it comes from a first-time buyer, nervous about making their first significant art purchase. Sometimes it comes from a seasoned collector who has just seen a Miró lithograph on a discount website and wants to know if it's too good to be true. The question is always some version of the same thing: how do I know if this art print is real?
It is a good question, and an important one. The market for vintage prints is vast, and home to some of the most accessible masterworks in the history of art. It is also a market in which reproductions, posthumous editions, and outright fakes circulate alongside genuine originals, sometimes indistinguishably to the untrained eye. Raising an ethical question about artists and their estates loosing control and also income on what is rightfully theirs to own.
We have spent years ethically sourcing original prints from only the most credible dealers, ex-galleries and museums worldwide. Taking us to every corner of the globe to conduct in-person reviews prior to acquisition because authenticity is paramount to us. Every print in our collection has been meticulously curated and sourced and in all cases was officially authorized to be printed by the artist or their estate. We know this territory well, and we want our customers to know it too. What follows is the most thorough guide we have ever shared on the topic to help educate on the process behind our collection sourcing.
First, The Vocabulary
Understanding What You're Actually Buying
The language of printmaking is specific and meaningful. Before you can assess authenticity, you need to understand what the words on a listing actually mean, because the differences between them matter enormously in terms of rarity, value and what "original" actually signifies.
The Physical Evidence
What to Look for When You're Holding the Print
Authentication begins with the physical object. A genuine vintage print carries evidence of its own making. That evidence is difficult to fake, and easy to read once you know what you're looking for.
1. The Pencil Signature
The hand-pencilled signature, always in pencil and never in ink, is the most fundamental mark of authenticity for a fine art print. It indicates that the artist personally handled and approved this specific impression after it was printed. A printed signature (one that was part of the printing process rather than added by hand afterwards) is not a pencil signature. Run your finger across it and you will feel no indentation or texture.
Pencil signatures can be forged, of course. But a genuine signature should be consistent with the artist's known hand. Cross-reference it against documented examples from auction records, catalogue raisonnés and museum databases. Auction house archives at Christie's, Sotheby's and Phillips publish extensive records of signed works that provide reliable comparison points.
For most 20th-century prints: bottom right in pencil, outside the image area in the white margin. The edition number (e.g. 47/200) typically appears bottom left. The title, if pencilled, appears bottom centre. Deviations from this convention are not automatically suspicious, as some artists signed differently, but they always merit investigation.
2. Edition Numbers and What They Tell You
The edition number, written as a fraction such as 47/200, tells you two things: which impression this is (the 47th pulled) and the total size of the edition (200 impressions total). Smaller editions are rarer. Lower numbers within an edition were historically considered more desirable, though in reality the quality of impressions tends to be consistent throughout a well-managed edition.
Examine the pencilled numbers carefully. Genuine edition numbers are written with the same hand, the same pressure, the same pencil as the signature. They should not look added later or in a different hand. If the numbers look printed rather than handwritten, or if they are written in ink rather than pencil, treat this as a significant red flag.
Artist Proofs (marked E.A. for Épreuve d'Artiste, or A.P. for Artist Proof) are written where the edition number would normally appear. They are not numbered, they are designated. A genuine E.A. marking is often more valuable than a numbered impression, due to its rarity and direct connection to the artist.
3. The Paper
Paper is one of the most reliable indicators of a print's authenticity and age. Serious printmakers of the 20th century worked on specific papers: BFK Rives, Arches, Vélin d'Arches, Japon. These papers have particular characteristics of texture, weight and surface, and they age in specific ways. A genuine 1965 lithograph on BFK Rives paper will have a quality of age in its texture, its margins, and the way the ink has settled into the fibres over six decades that a modern reproduction on similar paper simply cannot replicate.
Hold the paper up to light. Look for a watermark, as many fine art papers carry them and they can help confirm both the paper type and the approximate date of printing. Look at the edges: a genuine vintage print often has deckled (rough, organic) edges from hand-torn or mould-made paper. Machine-cut edges on a print claiming to be from a major Parisian publisher in 1968 should give you pause.
The platemark is a slight indentation in the paper caused by the printing plate pressing into it. It is visible in etchings and engravings and impossible to fake in a photomechanical reproduction. If a print is described as an etching and shows no platemark, it is not an etching.
"Paper does not lie. A genuine 1970 Mourlot lithograph carries sixty years of age in its fibres, a quality no modern reproduction can manufacture."
FORM Vintage4. The Printing Itself
Examine the surface of a print under magnification. Even a basic loupe or magnifying glass reveals crucial information. A genuine lithograph or screenprint shows ink that has been pressed into the paper fibres, with slightly feathered edges and the characteristic texture of hand-pulled printing. A photomechanical reproduction, even a high-quality modern one, shows the regular dot-matrix pattern of mechanical printing under magnification: thousands of tiny colored dots arranged in a regular grid.
This single test resolves the majority of authenticity questions. If you can see the dot-matrix pattern under magnification, the print was not made by hand. It may still be beautiful. It may even be an authorized reproduction. But it is not a fine art original print.
The registration of colors in a multi-color print is also telling. Genuine hand-printed works often show very slight misregistration between color layers, a hairline of white or overlap where colors meet, because each color required a separate pass through the press. Perfect mechanical registration, on the other hand, is a characteristic of photomechanical printing.
5. The Publisher's Blind Stamp or Embossing
Many of the most prestigious print publishers of the 20th century, including Mourlot, Maeght, Arte Paris, Adrien Maeght and Crommelynck, added their own blind stamps or embossed seals to prints they published. These appear as a slight raised impression in the paper, usually in the lower margin, and are essentially impossible to fake convincingly. If a Mourlot print carries the Mourlot blind stamp, that stamp alone is powerful evidence of provenance. Mourlot did not put their name on work they did not produce.
Similarly, many French publishers printed their name, address and sometimes the printer's name directly on the poster or print in the margin typography. "Imprimé par Mourlot" (printed by Mourlot) or "Arte Paris" in the lower margin of an exhibition poster is not decoration. It is documentation.
Pencil signature: hand-drawn, slightly indented, consistent with documented examples of the artist's hand
Edition number: handwritten in pencil, matching hand to the signature, logical for the stated edition size
Paper quality: appropriate weight and texture for a fine art print; visible watermark if applicable; natural aging consistent with stated date
No dot matrix: under magnification, ink should be pressed into fibres, not arranged in a mechanical dot pattern
Publisher's blind stamp or credit: Mourlot, Arte, Maeght, Crommelynck and others left their mark on prints they produced
Platemark: visible in genuine etchings and engravings; absent in photomechanical reproductions claiming to be etchings
Provenance: a credible ownership history, purchased from a known gallery, included in a documented estate, or sourced from an institution
Catalogue raisonné reference: the definitive scholarly catalogue of an artist's print work. If a print is documented there, it exists. If it isn't that raises questions
The Provenance Question
Where a Print Comes From Matters as Much as What It Is
In the art world, provenance is the documented history of a work's ownership. It is not merely interesting background information. It is evidence. A print that can be traced from the artist's studio to a respected publisher, from the publisher to a documented gallery sale, from the gallery to an estate or private collection, and from there to the current seller, carries a weight of credibility that no amount of physical examination alone can provide.
We source our collection exclusively from the most credible dealers, ex-galleries and museum deaccessions worldwide. When a print leaves a Parisian gallery that has been operating since 1965, or enters our collection from the estate of a documented collector, or comes with a record of exhibition at a named institution, that history matters. To us that matters immensely.
What authorisation by the artist or their estate does mean is this: the prints were legally and officially produced with the rights holder's knowledge and approval. Every print we sell meets this standard. It is the foundation on which the rest of the authentication conversation rests.
The Specific Case of Exhibition Posters
Original Does Not Always Mean Hand-Pulled
A category that confuses many new collectors is the vintage art exhibition poster. These were produced, often in the thousands, to advertise gallery and museum exhibitions. They are printed offset lithographically rather than by hand, and they are not the classic "original print" in the sense that a signed and numbered lithograph is. But they are still original in their own right and highly valuable and collectible as an original historical art piece.
A poster printed in 1976 for Jacques Monory's exhibition at Galerie Maeght was printed in 1976, under the gallery's supervision, with the artist's knowledge and approval, on the paper of its time. It is fifty years old. It carries the typography, the design, and the imagery that the artist chose to represent their work at that moment. It is a primary source document of art history, and increasingly, it is collected as such.
The distinction matters. An original 1976 Maeght exhibition poster and a modern reprint of the same poster are very different objects. The original was printed in Paris in 1976. A reprint could have been printed unofficially in someone's bedroom or at a local library. The paper is different, the ink is different, the aging is different, the size is different and the cultural weight is different. When in doubt, the dot matrix test under magnification, the paper aging, and the printing credit in the typography will tell you which you are holding.
Mourlot Frères, Paris: The greatest lithographic printer of the 20th century. Worked with Picasso, Miró, Chagall, Léger, Matisse and Braque. A Mourlot print is documented, prestigious and among the most reliably authenticated in the market.
Galerie Maeght / Adrien Maeght / Arte Paris: The Maeght family published editions for essentially every major artist of post-war Europe. Their publications are documented in extensive catalogues and their blind stamps are reliable authentication markers.
Crommelynck, Paris: The master printer who worked exclusively with Picasso for decades. A Crommelynck-published print is about as solidly documented as it gets.
Building Confidence as a Collector
The Tools and Resources Available to You
The single most useful tool for authenticating a print by a major artist is the catalogue raisonné, the comprehensive scholarly catalogue of an artist's complete print output. Most significant printmakers of the 20th century have one. Miró's prints are catalogued by Jacques Dupin and Ariane Lelong-Mainaud. Picasso's by Georges Bloch. Chagall's by Charles Sorlier. Braque's by Vallier. These catalogues document every known print, including the edition size, the paper, the printer and the date. Cross-referencing a print against them is the closest thing to definitive authentication available to a private collector.
Auction house records are another powerful resource. Christie's, Sotheby's and Phillips all maintain searchable archives of past sales, with condition reports, provenance notes and high-resolution images. Finding comparable works in the same artist, technique and period gives you reliable benchmarks for both quality and price.
For prints where you want additional confidence, specialist print dealers and auction house specialists offer authentication opinions, though these come at a cost. Organisations like the International Fine Print Dealers Association (IFPDA) maintain standards for their member dealers and publish educational resources for collectors.
The vintage print market rewards knowledge. The collector who understands the difference between a Mourlot lithograph and a modern offset reproduction, who knows what to look for in a pencil signature and a platemark, who understands why provenance matters and how to check a catalogue raisonné, will build a collection of genuine quality and lasting value.
We built FORM Vintage because we believe these works deserve to be owned and loved by people who understand them and respect the original wishes of the artist. Every print we offer has been sourced with exactly this rigour, from credible dealers, ex-galleries and museum collections worldwide, each officially authorized by the artist or their estate. We don't take shortcuts on provenance. And we don't expect our customers to take shortcuts on knowledge.
If you ever have a question about a specific work, whether ours or anyone else's, we are always happy to help. This is what we do.


