ARTcertificate considers that the author of the work of art is the person most competent to establish a certificate of authenticity especially during the first sale, the gallery owner or a professional can also contribute to this surgery. However, it is necessary to respect certain criteria when editing a certificate in order to give it an optimal authentication value .
ESSENTIAL CRITERIA FOR A CERTIFICATE OF AUTHENTICITY
1) To be edited by the most competent person the autor of the work, or a copyright holder or a recognized professional on the market of art.
2) To be unfalsifiable make an unfalsifiable document, it has to be at least unphotocopiable and that the reproduction via a digital camera gives a very poor result. This document can also be secure against falsification by the presence of a filigree, including a hologram of security.
3) To exist in a single copy is important to guarantee that the certificate exists in only one copy. No duplicate can not be issued. In case of loss by the purchaser, the author may provide a certificate specifying who is the initial purchaser of the work and that exists no other with the same reference.
4) To ensure the authentication of the work. clear identification of the author of the certificate, the date of issue, a precise description of the work (size, technical support, place of the signature), a unique identification number, serial number, a photo of the work. Of course the certificate must be signed by hand. The invoice is used as a identification but is a summary identification and the salesman does not necesarily want to provide the purchase invoice.
5) Certificate of authenticity must be listed. All the certificates issued must be listed with the photo of the work in order to be able to check the validity of the certificate on the work and to contact the author if necessary.