Watch List notes:

Nero & Drusus Caesar. Died AD 31 and 33, respectively. Æ Dupondius (28.5mm, 16.47 g, 7h). Rome mint. Struck under Gaius (Caligula), AD 40-41. Nero and Drusus Caesar on horseback riding right, cloaks flying / Legend around large S • C. RIC I 49 (Gaius) corr. (rev. legend). Red and brown surfaces, smoothed, roughness. VF.

From the Conti Collection, purchased from Coin Galleries.