Theodara Cowen (1868-1949), A glazed earthenware lamp base, circa 1935 the square base modelled as a river bank with tree trunks and platypuses, in blue and brown glaze, inscribed T. Cowen, Koala Pottery, 19 cm square. Provenance: Brindleys of Adelaide, 1986. Illustrated: Australian Art Pottery 1900-1950 Casuarina Press, Plate 80