Watch List notes:

Gallienus, 253-268. Antoninianus (Silver, 24 mm, 2.75 g, 12 h), Mediolanum, 260-262. GALLIENVS AVG Radiate and cuirassed bust of Gallienus to right. Rev. LEG II PART VI P VI F Centaur advancing left, holding globe. MIR 996r. RIC 335. Rare. Thin flan crack, otherwise, good very fine.