This is a Roman denarius minted by the emperor Septimus Severus and the original was fully identified by the British Museum. The original was minted in Emesa (Syria) in AD 194-5.
The obverse shows a laureate head right and IMP CAE L SEP PERT AVG COS 11. The PERT refers to his support for Pertinax, the short-lived emperor who was assasinated in Rome in AD 193.
The reverse shows Fortuna standing left, holding rudder and cornucopiae. The legend reads: FORTVN REDVC which means “Fortuna, the Bringer-Back”.