Coin depicted roughly twice actual size*

Antoninianus of Gallienus

Bronze antoninianus, 21mm, 3.30gm, issued AD 260-268 Rome mint.

Obv: GALLIENVS AVG, Radiate, draped bust right.

Rev: FORTVNA REDVX, Fortuna, draped, standing left, holding rudder and cornucopiae, S in left field.

References: see Sear 10219, RIC 193a.