Each stud is composed of a sheet disk centered by a rosette. There is a central dome filled with minute granulation, framed by eight spheres each set within a sheet calyx, all enclosed by three concentric ornamental bands divided by filigree twisted wires. The reverse has a fluted dome centered by a hollow tube terminating in a loop. They beautifully illustrate the prowess of Etruscan jewelers who were unrivalled in terms of the quality of their filigree and granulation work.
For related examples see F.H. Marshall, Catalogue of the Jewellery, Greek, Etruscan, and Roman, in the Departments of Antiquities, British Museum, London, 1911, nos. 1414-1426; pl. XX, and M. Cristofani and M. Martelli, L'Oro degli Etruschi, nos. 148-151.