Get a Mosnier Certificate of Authenticity for your painting (COA) for your Mosnier drawing.

For all your Mosnier artworks you need a Certificate of Authenticity (COA) in order to sell, to insure or to donate for a tax deduction.

Getting a Mosnier Certificate of Authenticity (COA) is easy. Just send us photos and dimensions and tell us what you know about the origin or history of your Mosnier painting or drawing.

If you want to sell your Mosnier painting or drawing use our selling services. We offer Mosnier selling help, selling advice, private treaty sales and full brokerage.

We have been authenticating Mosnier and issuing certificates of authenticity since 2002. We are recognized Mosnier experts and Mosnier certified appraisers. We issue COAs and appraisals for all Mosnier artworks.

Our Mosnier paintings and drawings authentications are accepted and respected worldwide.

Each COA is backed by in-depth research and analysis authentication reports.

The Mosnier certificates of authenticity we issue are based on solid, reliable and fully referenced art investigations, authentication research, analytical work and forensic studies.

We are available to examine your Mosnier painting or drawing anywhere in the world.

You will generally receive your certificates of authenticity and authentication report within two weeks. Some complicated cases with difficult to research Mosnier paintings or drawings take longer.

Our clients include Mosnier collectors, investors, tax authorities, insurance adjusters, appraisers, valuers, auctioneers, Federal agencies and many law firms.

We perform Jean-Laurent Mosnier art authentication, appraisal, certificates of authenticity (COA), analysis, research, scientific tests, full art authentications. We will help you sell your Jean-Laurent Mosnier or we will sell it for you.

Jean-Laurent Mosnier was an 18th century French painter. He was known particularly for his portraits of French nobles, including Marie Antoinette and Louis XVI. He painted many portraits while he was the court painter at Versailles, and also traveled to Russia where he painted from 1795 until his death in 1808.

Still wondering about an 18th century French portrait in your family collection? Contact us…it could be by Jean-Laurent Mosnier.