Lot Essay
Item two: cf. F. H. Marshall, Catalogue of the Jewellery, Greek, Etruscan and Roman, The British Museum, London, 1969, p. 302, nos. 2620-2621, pl. LIV; and S. Walker and M. Bierbrier, Ancient Faces: mummy portraits from Roman Egypt, The British Museum, London, 1997, pp. 162-163, no. 183-184 for the type.