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FG-013 Manuscript forgery · Paris 1930

The Spanish Forger — a faker so prolific his fakes became collectible

The fake
Hundreds of "medieval" panels & miniatures on real old parchment
Fooled
Dealers, collectors, museums for decades
Exposed
Belle da Costa Greene's 1930 identification; modern pigments
Status
Exposed

Summary

In 1930 Belle da Costa Greene, the director of the Pierpont Morgan Library in New York, examined a panel painting being offered to the Metropolitan Museum of Art as a fifteenth-century Spanish work by the painter Jorge Inglés, found it false, and in rejecting it gave its anonymous maker the name by which he is still known: the Spanish Forger. The label was a useful error. The forger was almost certainly not Spanish and not medieval; the evidence points instead to an artist working in Paris around the turn of the twentieth century. But the name stuck, and the body of work Greene began to assemble under it grew into one of the largest and most successful forgery oeuvres ever identified — by later estimates several hundred panel paintings and manuscript miniatures, scattered through public and private collections across Europe and America.

The Spanish Forger's genius was material and psychological at once. He worked almost exclusively on genuine medieval supports — authentic parchment leaves and old wood panels — scraping away original text or paint and painting his own "medieval" scenes onto surfaces that were themselves centuries old. Because an illustrated leaf was worth far more than a plain one, he often "completed" real but unfinished medieval manuscripts, adding miniatures and figures that buyers were delighted to find. The carrier was real, the age of the material was real, and only the image was modern, which defeated the simplest test a buyer might apply.

What he could not fake was chemistry and taste. His pictures carried pigments that did not exist in the Middle Ages: scientific analysis of his works, including neutron activation study of the panel Greene rejected, found colourants such as copper-arsenite greens unavailable before the nineteenth century, and later spectroscopic work identified synthetic ultramarine and other modern compounds. His style betrayed him too. His charming, decorative scenes were full of tells no genuine medieval illuminator would have produced — women with pronounced décolletage, sweetly tilted heads, gold leaf laid over the colours rather than beneath them, and pretty images cheerfully mismatched to the religious texts around them.

Greene's identification did not end the forger's afterlife so much as transform it. She and later scholars, above all William Voelkle of the Morgan Library, spent decades cataloguing the oeuvre, which grew from a handful of suspect pieces to well over two hundred and, by recent counts, around three hundred and fifty images. The forger's true identity has never been established — his nationality, dates, and even gender remain unknown — yet his work is now so recognizable, and so admired as craft, that genuine "Spanish Forgers" are themselves collected and sold as a named category. He is the rare faker exposed so thoroughly that his fakes acquired a market of their own.

Timeline

c. 1890s–1920s
The workshop
An unidentified artist, probably in Paris, produces "medieval" panels and miniatures on genuine old parchment and wood.
1909
Inside the Morgan
An antiphonary acquired for the Morgan Library is later found to carry donor portraits added by the forger — proof his work had already infiltrated major collections.
1914
Early warnings
Scholars Salomon Reinach and Henri Omont flag individual pieces as fraudulent, without yet recognizing a single hand behind them.
1930
The naming
Belle da Costa Greene rejects a panel offered to the Met as Jorge Inglés's and christens its maker the "Spanish Forger."
1930s
The oeuvre begins
Greene and colleagues start assembling a list of works by the same hand, dating them to about 1900.
mid-20th c.
A growing canon
As more pictures are matched stylistically, the attributed body of work expands across European and American collections.
1978
The Morgan exhibition
William Voelkle mounts a landmark Pierpont Morgan Library show and catalogue, listing more than a hundred works.
1980s–2000s
The count climbs
Continued research pushes identified works past two hundred toward an estimate of roughly 350.
2009
Chemistry confirms
Spectroscopic analysis identifies modern synthetic pigments — including post-1775 and post-1828 colourants — in works attributed to the forger.
present
Still anonymous
The forger's identity remains unknown; his works are now collected and sold as authenticated "Spanish Forgers."

The carrier was real; only the picture was a lie

Most forgers must fake everything at once — the support, the age, the image — and every faked element is a chance to be caught. The Spanish Forger removed the hardest part of the problem by starting with genuine antiquity. He acquired real medieval parchment leaves and old wood panels, sometimes scraping off original writing or images, sometimes exploiting blank margins and unfinished spaces, and painted his scenes directly onto material that was authentically four, five, or six centuries old. A collector who examined the leaf's parchment, its wear, its medieval neighbours in a manuscript, found nothing wrong, because nothing about the carrier was wrong.

He sharpened the trick by going where the money was. An illuminated medieval leaf commanded a far higher price than a plain text leaf, so the forger sought out real but unillustrated or partly finished manuscripts and supplied the missing pictures, turning modest genuine books into apparently lavish ones. The buyer was not handed an obvious novelty to be suspicious of; he was handed a real old manuscript that happened to contain delightful illuminations, and the delight did the persuading. This is the deception's core mechanism: by faking only the most desirable and least testable component, and attaching it to an unimpeachable host, the forger let the genuineness of the parchment vouch for the fraudulence of the paint.

What chemistry and taste could not hide

The forger could borrow medieval material, but he could not borrow medieval chemistry, and the pigments are where his work fails absolutely. The panel Greene rejected was later subjected to neutron activation analysis, which found copper-arsenite green — a colour not available before the early nineteenth century — in a picture purporting to be from the fifteenth. Subsequent spectroscopic studies of other attributed works identified further anachronisms, including synthetic ultramarine and other compounds manufactured only in the modern era. No amount of authentic parchment can survive a colour that was invented four centuries after the date claimed; the materials simply place the painting in its true century.

His style was the second betrayal, and it is the one that lets connoisseurs spot a Spanish Forger across a room. His scenes are too pretty, too uniform, too modern in their sense of charm. His women have rounded, doll-like faces and conspicuous décolletage that no genuine medieval illuminator would have painted; his figures incline their heads with a sentimental sweetness foreign to the period; he laid gold leaf on top of his pigments rather than underneath, reversing medieval workshop practice; and he cheerfully attached secular, decorative imagery to religious texts whose meaning he ignored, producing mismatches a real scribe-and-illuminator team would never have allowed. He had, it emerged, drawn his compositions from nineteenth-century picture-books of medieval life rather than from medieval art itself, which is why his Middle Ages look like a Victorian's fond idea of them.

The woman who named him, and the canon she started

The decisive intervention came from Belle da Costa Greene, who as the Morgan Library's director was among the most formidable judges of medieval manuscripts of her era. When a panel attributed to the fifteenth-century Spaniard Jorge Inglés was put before her in 1930 — brought to the Met's orbit by an agent acting for its purchasing interests and already endorsed by at least one earlier authority — Greene distrusted its riotous decorative sweetness, judged it a modern fake, and refused it. In doing so she did something more lasting than rejecting one picture: recognizing the same hand in works she had seen before, she gave that hand a name, the "Spanish Forger," and began compiling a list of everything she believed it had produced.

That act converted a scatter of unrelated suspect objects into a single, traceable phenomenon. Once the works could be grouped under one identity and one set of stylistic tells, scholars could hunt for more, and they did. The Morgan Library's William Voelkle eventually made the forger his special study, mounting a 1978 exhibition and catalogue that listed more than a hundred works and established the standard reference; continued research pushed the count past two hundred and toward roughly three hundred and fifty. The forger himself was never identified — the evidence of French newsprint and Paris-school materials points to that city around 1900, but no name, no biography, and no certainty about his gender has ever been fixed. He remains exposed in his work and invisible in his person: a body of fakes without a face, catalogued in detail by the very institutions he once deceived, and now valued as collectible artifacts of one of the most accomplished forgery careers on record.

The Five Factors

01
Fake the least testable part
By painting only the image and leaving the support genuinely old, the forger concentrated his fakery in the one component buyers were least equipped to test and most eager to want. An authentic carrier lends its credibility to whatever rides on it. The safest place to hide a lie is attached to a verifiable truth.
02
Sell the upgrade buyers already crave
Illustrated leaves were worth far more than plain ones, so "completing" real manuscripts gave collectors exactly the windfall they hoped to find. Desire suppresses suspicion: a discovery that enriches the buyer is examined less, not more. Beware the find that happens to be precisely what would profit you most.
03
Borrowed antiquity defeats the obvious test
Genuine medieval parchment passed every test of the support — wear, fibre, age, context — because the support truly was medieval. Authenticating the material is not the same as authenticating the work. When the canvas is real but the painting may not be, the material check proves nothing about the image.
04
Chemistry keeps a calendar the eye cannot
The forger's charm fooled connoisseurs, but his pigments could not lie about their invention date; a colour unavailable before 1814 cannot appear in a painting from 1470. Synthetic materials are timestamps no skill can erase. When style is contested, let the molecules testify.
05
A faked past mirrors its own era's fantasies
Working from nineteenth-century illustrations of medieval life, the forger produced a Middle Ages that looked like a modern romantic's daydream — sentimental, decorative, anachronistic in feeling. Fakes betray the taste of the time that made them, not the time they imitate. The clearest tell is often the way a forgery flatters present-day expectations of the past.

Aftermath

The Spanish Forger occupies a singular place in the literature of forgery: an anonymous faker so prolific and so consistent that his exposure created, rather than destroyed, a recognized category of object. Belle da Costa Greene's naming and the Morgan Library's long campaign of attribution — culminating in William Voelkle's catalogue — turned a diffuse contamination of the market into a documented oeuvre that curators and dealers can now identify and label with confidence. The case is a standard teaching example of how the same forger can be tracked across hundreds of works by combining stylistic analysis with materials science, and of how authenticating a support is not the same as authenticating an image painted on it.

The works themselves have undergone a strange rehabilitation. No longer passed as medieval, they are collected, exhibited, and sold openly as "Spanish Forgers," admired as accomplished craft and as historical artifacts of the early-twentieth-century medievalist market. Museums that were once deceived now hold them as named forgeries, and they change hands for substantial sums. The forger's identity, however, has never been recovered, leaving the field with the rare result of a thoroughly exposed deception whose author remains permanently unknown — caught entirely through his work, and never once through himself.

Lessons

  1. Authenticate the image, not just the support; a genuinely old carrier can vouch for a wholly modern fake painted on top of it.
  2. Be most cautious of the discovery that enriches you — an "upgrade" to something you already own or covet is exactly what a forger would supply.
  3. When connoisseurs disagree about style, turn to materials: a single anachronistic pigment dates a work more decisively than any judgment of the eye.
  4. Read a suspect work for the tastes of its own era; fakes tend to flatter present-day fantasies of the past rather than reproduce the past's actual conventions.
  5. Group suspect objects and name the pattern — recognizing a single hand across many works is what converts scattered doubt into a catalogue that protects future buyers.

References