RIC V Gallienus 504k: 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: PERPETVITATI AVG
Reverse: Securitas, draped, standing left, leaning on column, holding globe in right hand and sceptre in left hand
Reverse portrait: securitas