Keywords: Armes de Jean Gros - Jean Gros Diptych - Rogier van der Weyden.jpg Artwork creator Rogier van der Weyden circa 1446 or circa 1460 oil on panel cm 38 7 28 7 institution Art Institute of Chicago object history Mr and Mrs Martin A Ryerson Collection credit line <gallery>File Rogier van der Weyden - Portrait Diptych of Jean de Gros right wing - WGA25693 jpg Reverse</gallery> accession number 1933 1051b http //www artic edu/aic/collections/artwork/188755 search_id 1 Art Institute of Chicago Jean Gros Diptych Flemish paintings in the Art Institute of Chicago Paintings of coats of arms Reverses of paintings PD-old-100 |