
Sydney Mortimer Laurence (1865-1940) was an American painter who gained fame for his paintings of Alaska, where he settled in 1903 or 1904. His paintings often depicted Mount McKinley and the Alaskan frontier, and he is considered one of Alaska's most important historical artists. Due to his popularity, it is essential to know how to authenticate a Sydney Laurence painting. This paragraph will discuss the ways to determine the authenticity of his paintings and provide examples of his signature style.
| Characteristics | Values |
|---|---|
| Painter's full name | Sydney Mortimer Laurence |
| Painter's birth year | 1865 |
| Painter's death year | 1940 |
| Painter's birthplace | Brooklyn, New York |
| Painter's notable work location | Alaska |
| Painter's notable subjects | Mount McKinley, Alaskan landscapes, Alaskan waterways, aurora borealis |
| Painter's style | Tonalism, French Impressionism |
| Painter's training | Art Students League of New York |
| Painter's exhibition history | National Academy in New York, Royal Society of British Artists, Paris Salon |
| Painter's auction record | 235,200 USD for "Mount McKinley from the Tokositna River" |
| Painter's average auction price (12 months) | 14,030 USD |
| Painter's average print & graphic art sale price (12 months) | 226 USD |
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What You'll Learn

Check the surface texture and brushstrokes for signs of a human painter's natural variation
When examining a painting by Sydney Laurence, it is important to carefully inspect the surface texture and brushstrokes to identify signs of a human painter's natural variation. This is a crucial step in determining the authenticity of a painting. Here are some detailed instructions to guide you through this process:
Begin by observing the brushstrokes. Authentic paintings will often display visible and varied brushstrokes, as a painter's hand naturally creates slight inconsistencies in each stroke. Look for subtle differences in the thickness, length, and direction of the brushstrokes. A genuine painting will likely show a range of brushstrokes, from thin and delicate to thick and expressive, depending on the artist's style and technique.
Next, pay attention to the texture of the paint surface. Authentic paintings often exhibit a buildup of multiple layers of paint, creating a sense of depth and three-dimensionality. This technique, known as impasto, adds texture and is a hallmark of original art. Forged paintings, on the other hand, often appear too perfect, with a flat and smooth surface that lacks the depth and variation found in genuine pieces.
Examine the painting for signs of craquelure, especially if the artwork is supposed to be several centuries old. Over time, paintings develop a network of fine cracks in the paint layer, which is a natural occurrence. The presence of craquelure can indicate the painting's age and authenticity.
Additionally, be cautious of paintings that display a repetitive dot pattern when viewed under a magnifying glass. This could indicate a fake painting created using printing techniques that attempt to mimic the look of brushstrokes. Authentic brushstrokes will have natural variations in their spacing, thickness, and shape, rather than a mechanical uniformity.
It is also important to consider the overall composition and lighting of the painting. Authentic paintings often showcase a balance between texture and other artistic elements, such as light and shadow. A skilled artist knows how to use texture to enhance the overall composition without sacrificing other fundamental aspects of the artwork.
Lastly, be aware of the painting's provenance and seek expert verification if possible. Compare the painting's characteristics to known examples of Sydney Laurence's work, including the style of brushstrokes, use of colour, and choice of medium. Remember that authentication involves a multitude of factors, and it is always advisable to seek the opinion of reputable art dealers, galleries, or auction houses.
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Compare the signature to known examples of Sydney Laurence's work
When determining the authenticity of a painting, it is important to compare the signature to known examples of the artist's work. This is because the placement and positioning of the signature are just as important as its appearance. Good forgers can easily reproduce signatures, but they may overlook the standard placement used by the artist.
In the case of Sydney Mortimer Laurence, the signature should be compared to other known works by the artist. It is worth noting that some artists may change their signature over time, so it is important to compare the signature to works from a similar period.
You can compare the signature to the artist's known signatures in catalogues raisonnés, which are official records of an artist's works. Additionally, you can check for age consistency by examining if the signature appears naturally aged with the painting. If the signature looks added on top of the surface, it may indicate a forgery.
Other methods to authenticate a painting include examining the surface texture and brushstrokes, as real paintings have visible depth and variation in pigment depth and layering. You can also inspect the materials used, such as the canvas, paint, and other mediums, to ensure they align with the artist's known techniques and materials.
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Check the signature for age consistency
When trying to determine if a painting is authentic, it is important to examine the signature and check for age consistency. A genuine signature should appear naturally aged with the painting. If the signature looks like it has been added on top of the painting, it may be a forgery.
The signature's style, including the lettering and placement, should be consistent with the artist's typical practices and their works from that era. For example, earlier paintings typically have signatures in the bottom right, while modern art may feature them in unexpected locations, such as the top left or behind the canvas. Some artists include the date and location in their signatures, which can help verify the work's authenticity.
To verify the signature's age consistency, compare it to known examples of the artist's work. You can use catalogues raisonnés (official records of an artist's works) or online databases such as Artnet, The Art Signature Dictionary, and Artist's Signatures. These databases contain high-resolution signature images, enabling detailed comparisons.
Additionally, consider the materials used in the painting. Authentic works will show variation in pigment depth and layering, with thicker layers of paint creating texture. Examining the canvas, paint, and other materials can help determine if they align with the artist's known techniques and materials.
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Verify the painting's provenance (ownership history)
The provenance of a work of art refers to its history of ownership. It is derived from the French word "provener," meaning "to come from." Provenance research aims to produce a complete list of owners, along with supporting documentary proof, from the creation of the artwork to the present. This documentation outlines details such as the artist, history, appraisal value, dimensions, medium, date of creation, title, and other relevant information.
- Examine the documentation: Request and carefully review any provenance documents provided by the seller. Look for detailed information about the painting, including its dimensions, medium, date of creation, title, and any unique identifiers. Ensure that the documentation is signed, certified, and includes the contact information and qualifications of the expert who authenticated the artwork.
- Verify the information: Conduct your own research to verify the information provided. Confirm the existence of previous owners and, if possible, contact them or their descendants directly to discuss the artwork's history. This step helps ensure that the listed owners are legitimate and can provide additional insights or documentation.
- Check for physical indicators: Inspect the painting for any physical indicators of provenance. This could include exhibition marks, dealer stamps, gallery labels, shipping labels, or cartellino (a trompe-l'œil representation of an inscribed label) on the front or back of the painting. These indicators can provide clues about the painting's exhibition history and previous ownership.
- Consult reputable sources: Rely on reputable sources and experts to verify the information. Consult published papers, catalogues, or other scholarly materials related to Sydney Laurence and his works. Seek out specialists with significant backgrounds and experience in this artist's work, such as art historians or academics.
- Research auction records: Auction records can be a valuable resource for tracing the ownership history of a painting. Institutions like the Witt Library and the Heinz Library at the National Portrait Gallery, London, maintain collections of cuttings from auction catalogs, which can help identify when and where a painting has been sold.
- Analyze comparable works: Compare the painting in question to other authenticated works by Sydney Laurence. Look for consistencies in style, medium, signature, and other distinguishing characteristics. Statements that the artwork is similar to other works by the artist may not constitute provenance unless made by respected and credentialed authorities on the artist.
- Investigate ownership disputes: Research any potential ownership disputes or controversies surrounding the painting. This is particularly important for artworks created or traded during tumultuous historical periods. For example, provenance between 1933 and 1945 can help determine whether a painting was looted by the Nazis.
- Engage experts: If possible, engage the services of a qualified art appraiser or art lawyer to assist in the verification process. Ensure that the expert has no conflict of interest and is a respected authority on the artist in question.
Remember that establishing the provenance of a painting can be a complex and tedious process, requiring meticulous research and documentation. It is essential to approach the verification process with caution and to seek out multiple sources of confirmation to ensure the authenticity of the Sydney Laurence painting's ownership history.
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Inspect for variation in pigment depth and layering
Inspecting for variation in pigment depth and layering is a critical step in determining the authenticity of a Sydney Laurence painting. Here are some detailed instructions on how to perform this inspection:
Understand the Concept of Layering and Pigment Depth:
The concept of layering and pigment depth refers to the number of paint layers applied by the artist and the thickness or thinness of the paint in different areas of the painting. Authentic paintings often exhibit a buildup of multiple layers of paint, creating depth and texture. This technique is known as "impasto."
Inspect the Surface Texture:
Examine the surface texture of the painting closely. Authentic paintings will have visible brushstrokes with natural variation in size and texture. The painter's hand is never perfectly uniform, so the brushstrokes should have a certain irregularity to them. Look for areas of thicker paint application, as this adds to the overall texture and depth of the painting.
Observe the Painting's Back:
Hold the painting up to a light source and view it from the back. In an authentic piece, you should be able to see some light coming through the canvas due to the varying degrees of paint thickness. Prints, on the other hand, often block out the light and appear flat.
Examine with Infrared Imaging:
Infrared imaging is a valuable tool for inspecting pigment depth and layering. It can reveal hidden layers and inconsistencies within the painting. Infrared light penetrates the upper layers of paint and reflects off the base layer, providing insights into the artist's process and any underlying corrections or sketches.
Compare with Known Samples:
Research and compare the spectral curves of pigment in known works by Sydney Laurence. By analysing the chemical composition of the pigments used, you can determine if the painting in question aligns with the artist's typical choice of materials. This scientific approach helps authenticate the work.
Consult Art Historians and Conservators:
Seek the expertise of art historians and conservators who specialise in Sydney Laurence's work. They will have an in-depth understanding of the artist's techniques, including pigment depth and layering. Their knowledge, combined with scientific analysis, can provide valuable insights into the authenticity of the painting.
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Frequently asked questions
Sydney Mortimer Laurence 1865-1940 was an American painter who gained fame for his paintings of Alaska, his adoptive home. His paintings are often signed 'Sydney Laurence' and sometimes signed 'SM Laurence'. They have been known to sell for thousands to hundreds of thousands of dollars.
Laurence's paintings are tonalist, poetic depictions of the Alaskan wilderness, its waterways, and the daily lives of its inhabitants. He was particularly interested in Alaska's unique nature and often painted Mount McKinley and the light phenomenon, the aurora borealis.
You can find out more about the value of a Sydney Laurence painting by contacting an auction house or art dealer. You can also find out more about the artist's work and its value by visiting the website of the Coeur d'Alene Art Auction, which holds the world record price for a work by Sydney Laurence sold at auction.






































