Claudius II 'Annona' Antoninianus. Rome. 268-270 AD. 

Obverse: IMP C CLAVDIVS AVG, radiate head right. 
Reverse: ANNONA AVG, Annona standing left, foot on prow,
 holding corn ears and cornucopiae. 

RIC V-1 18; Sear (1988) 3197.