Watch List notes:

Nero & Drusus Caesar. Died AD 31 and 33, respectively. Æ Dupondius (29mm, 11.94 g, 6h). Rome mint. Struck under Gaius (Caligula), AD 37-38. Nero and Drusus Caesar on horseback riding right, cloaks flying behind them / Legend around large S • C. RIC I 34 (Gaius). VF, rough riverine surfaces with touches of green.

From the Collection of a Texas Wine Doctor. Ex Classical Numismatic Group Auction XXXIII (15 March 1995), lot 727.