Watch List notes:

Gallienus. AD 253-268. Antoninianus (21.5mm, 3.68 g, 12h). Mediolanum (Milan) mint. Issue 2(2), AD 260-1. GALLIENVS AVG, radiate head left / LEG XXX VLP VII P VII F, Neptune standing right, holding trident and dolphin. MIR 36, 1025c; RIC V (joint reign) 369; Cunetio 1488. VF, toned, some silver content, a touch of porosity.

Ex I. Vecchi 13 (4 September 1998), lot 886.