Watch List notes:

Gallienus. AD 253-268. Antoninianus (21mm, 3.45 g, 7h). Mediolanum (Milan) mint, 2nd officina. Issue 3(1), AD 262. GALLIENVS AVG, radiate head left / VIRTVS AVG, Hercules standing left, holding laurel branch, club and lion-skin; S in left field. MIR 36, 1045e; RIC V (sole reign) 537; Cunetio –. Fine, some silver content, toned, porous. Extremely rare, only one noted by MIR (in a private collection).

Bought from Baldwin's, 1993.