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

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

Getting a Bison 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 Bison painting or drawing.

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

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

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

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

The Bison 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 Bison 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 Bison paintings or drawings take longer.

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

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

Giuseppe Bernardino Bison was an Italian painter. He painted landscapes and city scenes, and today many of his sketches have survived. Most of his city scenes feature buildings and the people of Venice and focus on the beautiful architecture of the city.

Still wondering about an Italian painting in your family collection? Contact us…it could be by Giuseppe Bernardino Bison.