Watch List notes:

Gallienus. A.D. 253-268. AE antoninianus (23.20 mm, 2.57 g, 7 h). Rome mint, struck A.D. 267-268. GALLIENVS AVG, radiate head right / APOLINI CONS AVGG, Griffin walking left, Δ below. Göbl 718z; RIC 165. Fine, pitting.