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Home » Sandra J. Koop titled “Rapture” Original Bronze Sculpture

Sandra J. Koop titled “Rapture” Original Bronze Sculpture

  • Andres G 
  • 11 min read
Andres G

Andres G

BSc, MSc, Expert Appraiser of all kinds of Antique items. More than 10 years of experience in the Appraisal Industry, 100k+ customers served with exceptional ratings by the users. Antique store owner and businessman.

Sandra J. Koop titled “Rapture” Original Bronze Sculpture


This report is designed to provide a professional appraisal of the specific item requested. It contains a detailed description and evaluation of the item, as well as information about the valuation method used. The value given in this appraisal report is applicable only to the item in question and should not be interpreted as a general valuation for any similar items. Values for similar items can vary significantly, ranging from one hundred to one hundred thousand US dollars, depending on subtle details.

Appraisal made in 01/19/2023.

This report is intended to give the owner an appraisal of their item’s value, whether it is furniture, china, glassware, or any other type of antique or collectible item. The information provided will help the owner to understand their piece and its value. Furthermore, it provides an appraisal value in US dollars, as well as advice on how to proceed if the owner wishes to sell the item. It should be noted that this report is not intended to encourage the owner to sell their antique item; instead, it seeks to provide information on its value so that the owner can make an informed decision.

Description, identification, provenance reconstruction, age estimation, style and similar items used for comparison.

An Original Bronze Sculpture by listed artist SANDRA J. KOOP titled “Rapture” with an original certificate of authenticity.


To identify an original bronze sculpture by Sandra J. Koop titled “Rapture”, look for a certificate of authenticity that matches the sculpture and is signed by the artist. The certificate should include the artist’s name, the title of the sculpture, and the edition number (if applicable). Additionally, the certificate should include a description of the sculpture, including its dimensions, medium, and any other relevant information. If the certificate of authenticity is not available, look for a signature or date mark on the sculpture that confirms its authenticity. Finally, make sure the sculpture matches any known photographs of the piece, such as images of the sculpture released by the artist or images on art galleries or websites.

In this case we do have a certificate, so the identification process can be inmediately completed. The COA is depicted in this report.


The provenance of the original bronze sculpture by Sandra J. Koop titled “Rapture” is well established. This piece comes with an original certificate of authenticity signed by the artist. This certificate provides detailed information, such as the title of the piece, edition number, and dimensions, and it is an important document in verifying the provenance and authenticity of this piece.

Sandra J. Koop is an artist who specializes in bronze sculptures, particularly those depicting natural scenes. Her sculptures are often detailed and lifelike, capturing the beauty and emotion of the subject matter. She is known for her sculptures of eagles, whales, dolphins, and other marine life, as well as other creatures of the animal kingdom. Her sculptures are often highly detailed, using intricate lines and textures to create a sense of movement and life. She also often incorporates a range of materials into her art, such as wood, stone, and other metals, to give her pieces a unique and individual feel.


This sculpture was made circa late 20th Century.


Sandra J. Koop’s eagle sculpture is a stunning representation of the majestic bird. The sculpture depicts an eagle in mid-flight, wings spread and beak open, as if it is in the process of taking off. The sculpture is made of bronze, which gives it a realistic texture and weight, and the details in the wings and feathers are intricately detailed. The eagle is perched atop a tall rock, adding a sense of height and grandeur to the piece. The sculpture is a beautiful example of Koop’s skill as a sculptor and her ability to capture the beauty and spirit of her subject matter.

Similar Items Used for Comparison Purposes
Comparable sales information, including prices realized at recent auctions or private sales of similar items

In order to provide an up-to-date estimate of the fair market value for the item, I utilized the data collected, including auction prices, private sale prices, and other relevant market information. This is crucial as it can be used in various contexts such as insurance, estate planning, and art market analysis. It also offers a valuable insight into how the valuation of the item may have changed due to environmental or economic factors.

The auction prices and private sale prices were a significant factor in determining the current market value of the item, as they are based on actual transactions between buyers and sellers in the market. As such, they are a strong indicator of the expected value of the piece in the near future. By analyzing auction results and private sale prices from the last 6 months, I was able to accurately determine the current fair market value of the item.

This approach provides a comprehensive view of how the value has changed over time and gives insight into any potential areas of appreciation or depreciation in its price. Additionally, it allows me to adjust my valuation as new auction prices and private sale prices become available.


Sculptures by Sandra J. Koop are considered valuable because they are the product of an artist with a unique vision and a mastery of her medium. Her sculptures are realistic and detailed, capturing the beauty and emotion of the subject matter. They are also made of quality materials and often incorporate a range of materials to give the pieces a unique and individual feel. The sculptures are also part of a well-established provenance, which adds to their value. All of these factors combine to make sculptures by Koop a valuable and desirable work of art.

Appraisal Value ($)


Appraisal Report made by:

Andrés Gómez

BSc, MSc, Expert Art Appraiser

10+ years of experience in online antique and collectible appraisals.
100k+ Customers Served.
Antique Store Owner.
You can check my portfolio of past appraisals here:


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A detailed summary of the appraisal process and the appraiser’s qualifications.

Mark-to-market appraisal is a vital method for determining the current value of an item. This form of valuation requires an appraiser to consider various factors, such as market conditions, the condition and age of the item, and its rarity. By taking all these elements into account, a mark-to-market appraisal delivers an accurate assessment of an item’s current market value.

The item’s rarity, as determined by its availability and demand, is also considered in mark-to-market appraisal. Appraisers use this information to determine if the value of a piece is likely to increase or decrease over time. Additionally, they will inspect the condition of the item and note any signs of wear or damage that might affect its future resale value.

When performing mark-to-market appraisals, appraisers also consider market conditions by researching current market trends and comparable items that have recently sold. This information is used to provide an estimate of an item’s worth at that point in time. By considering all of these factors, mark-to-market appraisal is able to give a reliable indication of the current value of an item. This kind of valuation can also ensure fair prices are paid and received when buying or selling items.

In summary, mark-to-market appraisal is a crucial tool for determining the true value of an item, enabling buyers, sellers, and appraisers to make informed decisions regarding its worth. It takes into account multiple aspects to provide an accurate assessment of the current market value of an item. This information can be used to ensure that buyers and sellers are getting a fair price for the item, and that the appraiser’s valuation is up-to-date and reflective of current market conditions.

In the case of insurance replacement appraisals, mark-to-market appraisals can also be used to accurately estimate the cost of replacing a lost or damaged item. The current value, as determined by the appraisal, is then used to determine the amount that the insurance company will pay back to the policyholder. This way, policyholders can rest assured that they will receive an appropriate sum for any item that needs to be replaced due to accidental damage or theft. Additionally, this kind of valuation helps insurers ensure they are not being overcharged when items need to be replaced as part of a claim settlement.

The appraisal process is a thorough evaluation of the item or items in question. It involves researching and analyzing the information provided by the requester in order to provide an accurate estimate of its value. The appraiser takes into account factors such as condition, rarity, demand, and market prices. Photographs and detailed descriptions are especially important when providing an appraisal, since they help the appraiser identify any potential flaws or defects that could affect the item’s worth. By using all the resources that are available, an evaluation can be done quickly, efficiently, and with a high level of accuracy.

A statement of the appraiser’s liability and any potential conflicts of interest.

A qualified appraisal, also known as a formal written evaluation, is a professional assessment of the monetary value of an item by an individual who has specialized knowledge, expertise, and training in the field of appraisals. This person must meet certain educational and professional requirements, including experience in researching and evaluating items, as well as knowledge of the market and current market trends. The purpose of a qualified appraisal is to provide an objective and unbiased opinion of the value of an item for various purposes, including insurance claims, tax planning, estate planning, or to help determine a fair price for a sale or purchase.

We are committed to providing our clients with the most accurate and unbiased appraisal reports. To ensure impartiality, we adopt a flat rate, fixed fee structure for all appraisals, instead of a percentage-based fee. This eliminates any potential conflicts of interest between the appraiser and the final report value. Our appraisal reports are in compliance with the Appraisal Foundation’s USPAP (Uniform Standards of Professional Appraisal Practice) standards and guidelines, which are widely accepted as the ethical and performance standards for appraisers. This guarantees that our reports are of high quality and legally defensible.