Portrait of a Man, late 1st century B.C.E., marble, 31.5 x 19.7 x 19.7 cm.; portrait bust of the emperor Gaius, known as Caligula, 37-41 C.E., marble, 50.8 x 18 cm; bust of the emperor Hadrian, 118-120 C.E., marble; and portrait of the emperor Caracalla, 212-17 C.E., marble, 36.2 cm high (The Metropolitan Museum of Art). Speakers: Dr. Jeffrey Becker and Dr. Beth Harris
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