Watch List notes:

Gaius (Caligula), with Germanicus. AD 37-41. AR Denarius (18mm, 3.66 g, 10h). Rome mint. Struck AD 37-38. Laureate head of Gaius (Caligula) right / Bare head of Germanicus right. RIC I 18; RSC 2. VF, toned, some roughness and porosity.