Recognized by the following international auction houses:

• Sotheby’s – Paris, London, New York
• Christie’s – Paris, London, New York
• MacDougall’s – London
• Osena – Paris
• Info BBW-Auktionen – Switzerland
• Aguttes – Paris
• Deutsch Auctioneers Vienna – Austria
• Artcurial – Paris
• Kunsthaus Lempertz KG – Cologne
• Bonhams – London
• Kaminski Auctions – Boston
• Joelle Romba Fine Arts – Berlin
• Versailles Auctions – Paris
• Ketterer Kunst GmbH & Co. KG – Munich
• Empire Gallery – Los Angeles
• Aponem Study – Paris
• Beurret Bailly Widmer Auktionen AG Basel – Switzerland
• As well as many art professionals, students, collectors and amateurs…