Watch List notes:

Gallienus, 253-268. Antoninianus (Billon, 22 mm, 2.74 g, 12 h), Mediolanum (Milan), 262. GALLIENVS AVG Radiate and cuirassed bust of Gallienus to right. Rev. FIDES EXERC VIII Fides standing facing, head to right, holding a standard in each hand. Cohen 221 var (P on reverse). RIC 478 var (P on reverse). Well-struck with a fine portrait; sharp and lustrous; rare without a mintmark on the right field of the reverse. Virtually as struck.