RIC V Postumus 217
Denomination: dupondius
Material: ae
Authority: postumus
Mint: lugdunum
Manufacture: struck
Date: 0260 to 0269
Obverse legend: I CASS LAT POSTVMVS P F AVG
Obverse: Bust of Postumus, radiate, draped, right
Obverse portrait: postumus
Reverse legend: NEPTVNO REDVCI
Reverse: Neptune, standing left, holding dolphin in right hand and trident in left hand; sometimes at foot, prow
Reverse portrait: neptune