A Guide to Identifying Obscure Signatures

By: Dara Vandor

Lot 443 – Danish (20th Century) FOREST PATH (POSSIBLY AT THE DEER PARK, COPENHAGEN), 1925.  Oil on canvas; signed indistinctly and dated 1925 lower right, indistinctly inscribed “Ved (By) … *aen …?” in Danish in pencil to the stretcher. 26.5 ins x 39 ins; 67.3 cms x 99.1 cms.  Estimate $500-$700

Some artists’ signatures are iconic and instantly recognizable. You can probably bring to mind Picasso’s upward-tilting moniker, Renoir’s spiky letters or van Gogh’s humbly sloped letters. But can you picture those of Michelangelo, Kahlo, O’Keeffe or Klimt? It gets harder from there. What of the signatures belonging to the Group of Seven or the Abstract Expressionists? This is where years of experience come in, not only in building an encyclopedic knowledge of art and artists, but in knowing how to decipher clues when the going gets tough.


The signature is most commonly associated with legal agreements and art. Signatures have been in use for millennia, with the earliest example being a pictograph belonging to a Sumerian scribe, “Gar. Ama,” dated to around 3100 BCE. The first alphabet came into being around 1800 BCE, belonging to the Phoenicians. It had 22 characters and no vowels, with the latter being introduced into the written word by the Greeks some 600 years later. Signing for things during these eras were not common. The first identified signature belonging to a historical figure is that of Spanish nobleman and military commander El Cid, dated to 1069 AD. Before widespread literacy, it was common to carry a ring or seal with one’s mark on it, but by 1677, the English Parliament had passed the Statute of Frauds, requiring all contracts to be in writing if they were to be considered legally binding.

Signatures in art in the Western world evolved a little quicker. During the Medieval period, artmaking was done within a co-operative guild system. Standing apart from one’s collective or workshop was discouraged, as it would diminish the cohesion of the group as a whole. There is also evidence that Medieval society valued the art itself—often devotional in subject—above the artist, who was seen as a labourer like any other, a tool of a higher power.

However, in the early Renaissance period, emphasis began to shift towards the idea of singular genius. The idea that one person could stand apart from the collective took root, and as such, talented artists became celebrated as individuals in their own right and thus did not shy away from acknowledging authorship. An added bonus of signing one’s work? Signatures helped advertise the superiority of one’s work to potential patrons.

In a way, signatures can be seen as an exercise in branding. Albrecht Dürer (1471-1528) placed an easily recognizable “AD” monogram on all of his work, which proved so covetable as to spawn a legion of fakes. He went to court in both Nuremburg and Venice to protect his authorship, a suit that was successful. Unfortunately, his imitators shifted gears and produced a different sort of “AD” prints: After Dürer.

Lot 471 – Orientalist School (19th/20th Century), European. “GAFSA” (TUNISIA), FIGURES OUTSIDE THE VILLAGE. Oil on canvas; signed indistinctly lower right. Unidentified.
13 ins x 16 ins; 33 cms x 40.6 cms
Estimate $300-$500


Senior Fine Art Specialist Susan Robertson takes a particular joy in identifying an artist’s scrawls, describing herself as “a signature sleuth detective.” Sometimes this task is as straightforward as reading, or following the clues on the back of the painting. It might surprise you to know that entire books devoted to cataloguing signatures exist—Robertson recommends John Castagno’s encyclopedic “European Artists: Signatures and Monograms, 1800-1990”—as well as several online databases. Sometimes hunting down the more obscure ones takes time, and Robertson notes that she will keep an unknown signature in her head until she has successfully matched it to its creator.

Signatures also change over the years, which may sound frustrating for a specialist, but can often help in dating a work in an artist’s catalogue raisonée. Many artists sign their name legibly in full, while others get more, ahem, creative. Monograms are commonly used; sometimes initials might be combined in ligature, meaning that two or more letters are fused into a single symbol. Lot 471 in the British and Contemporary auction displays what is known as a compounded signature, meaning that the letters are layered on top of each other, making it difficult for the specialist to determine which letter comes first in the name, making identification that much harder. The obscurity of these signatures means that specialists like Robertson must rely on other clues. Lot 443 in the auction has an illegible signature, but the word “ved” (which translates to “by” in Danish) gives a hint as to the nationality of the artist

It is important for specialists to only attribute work to an artist when they are sure of their identification, which is why some entries in our auctions are left unnamed. Experts like Robertson and the rest of our Fine Art team spend countless hours researching the works of art before they go to auction, as well as communicating with peers and authorities from around the world so that you can buy with confidence.


We invite you to browse the full catalogue for our British & Contemporary auction, as well as our other upcoming auctions.

This auction is offered online February 13 to 18. Please register to bid.

We’re always happy to answer your questions, provide a condition report or additional photos. Please contact the International Art department at [email protected] or by telephone at 416-847-6179.

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