Lot Essay
Item one: the type is a well-known early Roman form. For a similar example from Mentana, see L. P. B. Stefanelli, L'Oro dei Romani, Rome, 1992, pl. 21.1; also, F. H. Marshall, Catalogue of the Jewellery, Greek, Etruscan and Roman, The British Museum, 1911 (reprinted 1969), p. 269, no. 2310, pl. XLVII; and Jewelry: Ancient to Modern, The Walters Art Gallery, Baltimore, 1979, p. 67 "The bulla is an Etruscan ornament in general use from the 5th Century B.C. onwards, later adopted by the Romans."