Watch List notes:

Gallienus. A.D. 253-268. AE antoninianus (19.8 mm, 2.70 g, 11 h). Rome mint, struck A.D. 267-268. GALLIENVS AVG, radiate head right / DIANAE CONS AVG, XII in exergue, antelope walking left. Göbl 750b; RIC 181. VF.