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

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

Getting a Sinding 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 Sinding painting or drawing.

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

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

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

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

The Sinding 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 Sinding 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 Sinding paintings or drawings take longer.

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

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

Otto Sinding was a Norwegian painter. He went to art school in Christiania and continued his studies under Hans Gude in Karlsruhe, coming into contact with Wilhelm Ludwig Friedrich Riefstahl and Karl Theodor von Piloty.

Sinding drew on motives from Norwegian nature, folk life and history. Some of his best known works are landscape paintings from Lofoten. Still wondering about a Norwegian painting in your family collection? Contact us…it could be by Otto Sinding.