Nero, AE20 of Corinth, struck AD 57-58. Duovir C. Julius Polyaenus. NERO CLAVD CAES AVG, bare head of Nero right. C IVLIO POLYAENO IIVIR around ISTH-MIA in two lines within wreath, COR below. RPC 1202; BMC 565; Fox 56; Athens 4013a.