Statue of the emperor Augustus as Pontifex Maximus, or Head Priest. First decade of the 1st century AD. Rome, Museo Nazionale Romano 56230. Andreae, B., Cancik, H., Cavallo, G., et al., Princeps Urbium: Cultura e Vita Sociale dell' Italia Romana, Libri Scheiwiller, Milan 1991, p. 13, fig. 4. © Museo Nazionale Romano, Rome.