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

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

Getting a Nahl 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 Nahl painting or drawing.

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

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

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

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

The Nahl 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 Nahl 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 Nahl paintings or drawings take longer.

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

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

Johann August Nahl was an 18th century Swiss painter. He was mainly known for painting portraits as well as mythological scenes. Nahl was the son of Johann August Nahl the Elder who was a sculptor.

Still wondering about an 18th century European painting in your family collection? Contact us…it could be by Johann August Nahl.