Watch List notes:

SPAIN, Carthago Nova. Gaius (Caligula), with Caesonia. AD 37-41. Æ As (27mm, 10.15 g, 8h). Cn. Atellius Flaccus and Cn. Pompeius Flaccus, duoviri. Laureate head of Caligula right / Draped bust of Caesonia, as Salus, right. ACIP 3155; Burgos 613; RPC I 185. Brown surfaces, light porosity. VF.