Watch List notes:

Gallienus, 253-268. Antoninianus (Billon, 20 mm, 3.86 g, 12 h), Mediolanum, 260. GALLIENVS AVG Radiate and cuirassed bust of Gallienus to right. Rev. LEG II PART VI P VI F Centaur advancing left, holding globe. MIR 996n. RIC 335. Rare. An usually fresh and clear example. Slightly porous, otherwise, good very fine.