Watch List notes:

Gallienus, 253-268. Antoninianus (Billon, 21 mm, 3.49 g, 6 h), Mediolanum, 260-261. GALLIENVS AVG Radiate and cuirassed bust of Gallienus to right. Rev. LEG VIII AVG VI P VI F Bull walking right. Cohen 522. MIR 1009n. RIC 353. Struck from a worn reverse die, otherwise, very fine.