Watch List notes:

Gaius (Caligula), with Agrippina Senior. AD 37-41. AR Denarius (18mm, 3.05 g, 9h). Lugdunum (Lyon) mint. Struck AD 37. Bare head of Gaius (Caligula) right / Draped bust of Agrippina right. RIC I 8; Lyon 162; RSC 4. Fine, bright and granular surfaces, some minor cleaning marks, short hairline flan crack.