RIC V Gallienus 537k: Subtype 1
Denomination: antoninianus
Material: ar
Authority: gallienus
Mint: mediolanum
Manufacture: struck
Date: 0260 to 0268
Obverse legend: GALLIENVS AVG
Obverse: Head of Gallienus, radiate, right
Obverse portrait: gallienus
Reverse legend: VIRTVS AVG
Reverse: Hercules, standing left, holding laurel-branch in right hand and club in left hand, lion-skin draped over arm
Reverse portrait: hercules