Watch List notes:

Gallienus. AD 253-268. AR Antoninianus (22mm, 3.01 g, 12h). Colonia Agrippinensis (Cologne) mint. 1st emission, AD 257-258. Radiate, draped, and cuirassed bust right / Mars standing right, holding transverse spear and signum. RIC V 56; MIR 36, 882l; RSC 1274a. Toned, cleaning scratches. Good VF.