With age comes experience, and sculptors in the Roman Republic highlighted seniority—warts and all.
Veristic male portrait (similar to Head of a Roman Patrician), early 1st Century B.C.E., marble, life size (Vatican Museums, Rome)
Additional resources:
Roman Portrait Sculpture: The Stylistic Cycle on the Heilbrunn Timeline of Art History
Marble bust of a man at The Metropolitan Museum of Art
D. Jackson, “Verism and the Ancestral Portrait,” Greece & Rome 34.1 (1987):32-47.
D. E. E. Kleiner, Roman Sculpture (New Haven: Yale University Press, 1994).
G. M. A. Richter, “The Origin of Verism in Roman Portraits,” Journal of Roman Studies 45.1-2 (1955):39-46.