Roman Emprire. Antoninus Pius, 138-161 A.D. Dupondius. Felicitas On Reverse.
 
Obv: ANTONINVS AVG PIVS PP TR P XII: Laureate head right. Rev: FELICITAS AVG S C: Felicitas standing left, holding caduceus and branch.
 
28mm diameter.
 
An old brown collection tone.