Authenticity and Provenance

Authenticity Guarantee
At Galerie Winckelmann, authenticity is our highest priority.

Verification Process

Each artwork undergoes a rigorous authentication process:

  • Historical research – We verify the artist, period, and technique

  • Provenance analysis – We document the artwork's history

  • Physical examination – We assess materials, technique, and condition

  • Expert consultation – When necessary, we consult specialists

Certificate of Authenticity

All artworks are accompanied by a certificate detailing:

  • The artist and their biography

  • The title and date of creation

  • The technique and materials

  • The dimensions

  • The condition and any restorations

  • The known provenance

Our Experience

With over 17 years of experience since 2007, we have built relationships with museums, galleries, and collectors who trust our expertise. Each artwork is selected for its artistic quality, historical significance, and verified authenticity. Browse our collections of portraits, landscapes, and still lifes.

Return Policy

14-day satisfaction guarantee. If you are not completely satisfied with your purchase, we accept returns within 14 days of receipt.

Conditions:

  • The artwork must be in the same condition as when shipped

  • Original packaging must be intact

  • Notification by email within 48 hours of receipt

  • Return shipping costs are the responsibility of the buyer

Refunds:
Full refunds are processed within 5 to 7 business days after receipt of the artwork.

Questions?

For any questions regarding authenticity or provenance, please contact us.