Gaius (Caligula), with Agrippina Senior. AD 37-41. AR Denarius (17mm, 2.87 g, 6h). Lugdunum (Lyon) mint. Struck AD 37. Bare head of Caligula right / Draped bust of Agrippina right. RIC I 8; Lyon 162; RSC 4. Good Fine, toned, rough surfaces, some metal flaws and flan cracks.