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

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

Getting a Dunker 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 Dunker painting or drawing.

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

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

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

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

The Dunker 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 Dunker 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 Dunker paintings or drawings take longer.

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

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

Balthazar Anton Dunker was an 18th century German painter. He was best known for his pen and ink drawings of landscapes.

Still wondering about an 18th century European painting in your family collection? Contact us…it could be by Balthazar Anton Dunker.