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

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

Getting a Janin 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 Janin painting or drawing.

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

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

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

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

The Janin 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 Janin 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 Janin paintings or drawings take longer.

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

We perform Jeanne Louise Sophie Janin art authentication, appraisal, certificates of authenticity (COA), analysis, research, scientific tests, full art authentications. We will help you sell your Jeanne Louise Sophie Janin or we will sell it for you.

Jeanne Louise Sophie Janin was an 18th century Swiss artist. Janin mainly painted miniature portraits. Still wondering about in miniature portrait in your family collection? Contact us…it could be by Jeanne Louise Sophie Janin.