Watch List notes:

Gaius (Caligula), with Germanicus. AD 37-41. AR Denarius (18.5mm, 3.53 g, 3h). Rome mint. Struck AD 37-38. Laureate head of Gaius (Caligula) right / Bare head of Germanicus right. RIC I 18; RSC 2. Near VF, toned, porous, a few minor scratches, traces of deposits. Rare.