Caligula (37-41) - AE Dupondius (Rome, struck under Caligula AD 37-38, 13.10 g) - NERO ET DRVSVS CAESARES Nero and Drusus on horseback riding right / C CAESAR AVG GERMANICVS PON M TR POT around large SC (RIC 34 / BMC 44) - a.VF. Nero and Drusus were the brothers of the future emperor Caligula, and the children of Germanicus and Agrippina Maior (ex Jean Elsen 81, 247).