Portrait Bust of a Flavian Woman (Fonseca bust), early 2nd century C.E., marble, 63 inches high (Capitoline Museum, Rome). Part 1 can be watched here.
Additional resources:
Elizabeth Marlowe, Shaky Ground: Context, Connoisseurship and the History of Roman Art (Bloomsbury Academic, 2013)
Smarthistory images for teaching and learning: