Watch List notes:

Gallienus (253-268). AR Antoninianus, Mediolanum mint. Obv. IMP GALLIENVS P AVG. Radiate and draped bust right. Rev. SALVS AVGG. Salus standing left, feeding serpent rising from altar, and holding sceptre. RIC 397. AR. g. 3.61 mm. 22.00 Good metal for issue. Brilliant, superb and lightly toned. EF.