Keywords: Thomas de Keyser - Portrait of a seated lady.jpg Artwork Creator Thomas de Keyser Oil panel cm 27 5 22 5 Private collection object history Princess Mathilde de Pourtalès; Galerie Georges Petit Paris in 1904; Julius Böhler Munich in 1936; D A Hoogendijk Co Amsterdam in 1937; Anton Philips credit line accession number http //www christies com/lotfinder/paintings/thomas-de-keyser-portrait-of-a-lady-5017406-details aspx Christie's Sale 7446 Lot 4 PD-old-100 Portraits of women at half length 17th-century portrait paintings Ruffs in art female Baroque portraits of women Portrait paintings not categorised by year Females with black dresses in art Thomas de Keyser Diadem caps |