Watch List notes:

Nero and Drusus, Caesars. Died A.D. 31 and 33 respectively. Æ dupondius (30.3 mm, 15.74 g, 5 h). Rome mint, Struck under Gaius (Caligula), A.D. 39-40. Rare. NERO ET DRVSVS CAESARES, Nero and Drusus on horseback riding right / C. CAESAR. DIVI. AVG. PRON. AVG. P. M. TR. P. III. P. P, legend around SC. RIC 42 (Gaius); BMCRE pg. 156 note (Caligula). gVF, some smoothing.