RIC I (second edition) Gaius/Caligula 6
Denomination: denarius
Material: ar
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: Head of Augustus, radiate, right; in field, left and right, a star
Reverse portrait: augustus