Watch List notes:

Gaius (Caligula), with Divus Augustus. AD 37-41. AR Denarius (19mm, 3.64 g, 4h). Lugdunum mint. 2nd emission, AD 37-38. Laureate head of Gaius (Caligula) right / Radiate head of Divus Augustus right. RIC I 16 (Rome); Lyon 167; RSC 2. Areas of porosity and smoothing. VF.