The Certificates of Authenticity issued by the Cruz-Diez Foundation confirm exclusive authorship of the works

created by Cruz-DIez, taking into account all original plans and blueprints kept in our archives.


Each certificate is unique and copies are not allowed.


If you own a Cruz-Diez piece and wish to purchase a certificate, please download the Application Form

and read carefully the General Conditions for the Authentication.


To apply for a certificate, please write to certificates@cruz-diezfoundation.org or contact us