Gallienus, AE antoninianus. Rome. Sole reign. AD 261-262. 

GALLIENVS AVG, radiate head right.
ANNONA AVG, Annona standing right, foot on prow, holding 
rudder and corn-ears. 
V in left field. 

RIC V-1 Rome 161; Sear 10173.
Rated common.

Image from the Dalheim hoard catalog.