Home Art Collection Works Collection Search Advanced search Works cited in the document Sotheby's Sydney: Australian and European paintings and sculpture (1) works on display (1) works with images (1) Filter by: Collection area Origin Media Date/period Artist A–Z Sort by: artist surname oldest first (excludes undated works) newest first (excludes undated works) title image availability accession number Bertram Mackennal Lady Diana Duff Cooper (Lady Diana Manners) 1909-circa 1918 7156 On display – Naala Nura, ground level, Grand Courts