Watch List notes:

Gallienus. A.D. 253-268. AE antoninianus (20 mm, 2.58 g, 6 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. aVF, black patina with red highlights.