Watch List notes:

Gaius (Caligula), with Germanicus. AD 37-41. AR Denarius (19mm, 3.51 g, 5h). Rome mint. Struck AD 37-38. C CAESAR AVG GERM P M TR POT, laureate head of Gaius (Caligula) right / GERMANICVS CAES P C CAES AVG GERM, bare head of Germanicus right. RIC I 18; RSC 2. VF, toned, porous. Rare.