Nero and Drusus Caesars. Dupondius; Nero and Drusus Caesars; Rome, Under Caligula, 37-8 AD, Dupondius, 12.87g. BM-44, Paris-52, C-1 (6 Frs.), RIC-34. Obv: [NERO ET DRVSVS] CAESARES The two Caesars on horseback r. Rx: C CAESAR AVG GERMANICVS PON M TR POT around large S C.. F