Gallienus, AE antoninianus, Milan mint. Joint reign. AD 260. 

IMP GALLIENVS AVG, radiate, draped and cuirassed bust right.
SPES PVBLICA, Spes walking left, holding flower and raising
hem of robe.

RIC V-1 (J) Milan 403 var (obv. legend).
Rare.

AAH sale, 1999.