Specimen with a lot of silvering.
Roman Imperial
Postumus (260-269), Antoninianus, Lugdunum mint
Obverse: radiate, draped and cuirassed bust of Postumus right
IMP C POSTVMVS P F AVG
Obverse: Postumus standing right, holding spear and globe
SAECVLI FELICITAS
Diameter 20 mm, weight 3.75 g