Portrait of a philosopher, perhaps Plotinus (1386)

Found in the Terme del Filosofo (V,II,6-7).
Date: middle of the third century AD. H. 0.28.
Other portraits of the same man are inv. nrs. 68 and 436.

Arachne 1074029. Helbig nr. 3135. Guida p. 79-80 nr. 6. SO XVII, nr. 7. Photos: Wikimedia, Sailko and ICCD F005790, 00F5791, F005883, F005884, E049917 (left).