Roman Imperial
Postumus (260-269), Antoninianus 260-269, Lugdunum mint
Obverse: radiate, draped and cuirassed bust of Postumus right
IMP C POSTVMVS P F AVG
Obverse: Neptune standing left, holding dolphin and trident
NEPTVNO REDVCI
Diameter 21 mm, weight 3.64 g