Watch List notes:

Gallienus (253-268), Antoninianus, Mediolanum, c. AD 257-268; AE (g 2,58; mm 19; h 12); GALLIENVS AVG, radiate head r., Rv. VIRTVS AVGVSTI, Hercules standing r., holding club on rock and lion's skin. RIC 539.
Green patina, very fine.