Lot Essay
Cf. Kunst der Etrusker, Hamburg, 1981, p. 126, no. 157; H. A. Cahn (ed.), Art of Ancient Italy, New York, 1970, pp. 15-16, no. 23f; F. H. Marshall, Catalogue of the Jewellery: Greek, Etruscan and Roman, The British Museum, London, 1969, p. 118, pl. XVI, no. 1311 for similar.