Aegis of Bastet / Sakhmet, Late Period?Ptolemaic Period, 664?30 BC, From Egypt, Cupreous metal, H. 5.7 cm (2 1/4 in.); W. 5.7 cm (2 1/4 in.); D. 1.4 cm (9/16 in.), The aegis is an object that comprises the bust of a deity with a broad collar below it