Watch List notes:

SPAIN, Carthago Nova. Gaius (Caligula), with Caesonia. AD 37-41. Æ As (28mm, 11.85 g, 1h). Cn. Atellius Flaccus and Cn. Pompeius Flaccus, duoviri. Laureate head of Gaius (Caligula) right / Draped bust of Caesonia (as Salus) right. ACIP 3155; RPC I 185. Fine, brown surfaces, some roughness.

Ex Archer M. Huntington Collection (HSA 1001.57.5223).