Experimental simulation of engraving on wax (right) to demonstrate that the tool marks observed on the surface of the bronze bust of Antoninus Pius (left) were made in the wax model rather than in the cast bronze. The size of the area in the picture is about 2 × 2 cm. Attributed to Giovanni Bandini (called Giovanni dell’Opera, Italian, 1540–1599), Bust of Roman Emperor Antoninus Pius, Urbino, before 1582, H. 68 cm (Museo Nazionale del Bargello, Florence, inv. 441B). See Morigi, Lorenzo. 2018. “Relazione di restauro del busto in bronzo rappresentante l’imperatore Antonino Pio.” Florence: Muzeo Nazionale del Bargello..