Bulla A bulla is a lentil shaped ornament which was often worn as a pendant. Its origins date back to the Etruscan era and it reappeared during the archaeological revival of the nineteenth century. Bulla_Pendant Etruscan Gold Bulla c.4th to 3rd Century B.C. © The Trustees of the British Museum. Castellani_Bulla_Pendant Castellani Bulla Pendant, Circa 1860. Photo courtesy of Sotheby’s.