The Karel Appel Foundation issues Certificates of Authenticity for paintings according to its policy.

New policy as of March 1, 2016: Until further notice the Foundation does not process authenticity requests for works on paper and works on paper mounted on canvas (papier marouflé sur toile).

To apply for a Certificate of Authenticity:

  • Download the Application Form  and the Terms & Conditions .
  • Fill out and sign both forms.
  • Send the forms to the Karel Appel Foundation, together with all professional photographic material:
    - a digital high resolution colour image, 60 MB TIFF format
    - a black & white photograph, 15 x 20 cm
    - a color photograph, 15 x 20 cm
    - a photograph of the backside

For further details, see the Application Form and the Terms & Conditions.