RIC I (second edition) Gaius/Caligula 9
Denomination: aureus
Material: av
Authority: gaius
Mint: lugdunum
Manufacture: struck
Date: 0037 to 0038
Obverse legend: C CAESAR AVG GERM P M TR POT
Obverse: Head of Caligula, bare, right
Obverse portrait: gaius
Reverse legend: DIVVS AVG PATER PATRIAE
Reverse: Head of Augustus, radiate, right
Reverse portrait: augustus