CALIGULA (37-41) with Divus Augustus. Denarius Lugdunum.

C CAESAR AVG GERM P M TR POT. Laureate head of Caligula right.
Rev: DIVVS AVG. Radiate head of Divus Augustus right.

2.94 g (clipped in antiquity) RIC²16; RSC (Caligula and Augustus) 2 Rare