“…The aim of the ancient goldsmiths was to give to the objects the appearance of solid precious metal or to create an elaborate and fascinating specific visual effect combining the color of different metals (Oddy, 1981(Oddy, , 1990Raub, 1986a,b;Schorsch, 1988;Bray, 1993;Merkel et al, 1995;Kallfass, 1998, 2000;Grimwade, 1999;Centeno and Schorsch, 2000;Ingo et al, 2013a).…”