Watch List notes:

Gallienus. AD 253-268. Antoninianus (21mm, 5.32 g, 2h). Rome mint, 8th officina. 9th emission, 1st phase, AD 265-267. Radiate and cuirassed bust right / Securitas standing left, holding scepter and leaning upon column to right. RIC V 516 (Milan); MIR 36, 591w; RSC 962. EF, flan crack, good silvering.