Pippin Drysdale (Australian, b. 1943), Igneous rock II-Pilbara series, 2017, porcelain vessel of conical shape, matte glaze exterior patterned as topographical lines in shades of orange, artist's signature and date to base, height 11 cm diameter 14 cm. Provenance: Sabbia gallery, May 2017, the collection of Lorna Mellor AM, Padulla Place, Castle Cove, house designed by Peter Swan and interiors by Marion Hall Best, c. 1964.