Authentication

Request for research and inclusion in the Catalogue Critique

Thank you for your interest in submitting a work of art.

For any submission and request, please provide:

  • An image of the artwork: 2 colour photo, size 18 x 24 cm
  • 2 black and white photo, size 18 x 24 cm
  • A HD colour digital file or a transparency (ecktachrome) if possible
  • An image of the back of the work as a colour digital file
  • A detailed Image of the signature or any other markings as a colour digital file

A description of the work :

  • title
  • media
  • size
  • any inscription and history details you can provide (provenance, previous owner, invoice copy, history…)

A study will be conducted and an answer will be provided.

This opinion also specify whether the work as been authenticated after a picture or not.

This study and answer are free of charge.

A certificate of authenticity will be issued upon request.

The certificates fees are:

  • oil on canvas and oil on paper laid down on canvas. 500 CHF TTC
  • Work on paper. 300 CHF TTC

No duplicata will be issued.

For any questions regarding the catalogue critique, please contact us at: b.jansem@jansemaubert.ch