Watch List notes:

Gallienus, 253-268. Antoninianus (Billon, 21 mm, 3.66 g, 7 h), Rome, 261-263. GALLIENVS AVG Radiate head of Gallienus to right. Rev. SECVRIT AVG Securitas standing left, legs crossed, raising right hand to head and resting left elbow on column behind her; to left, VI. Cohen 951. MIR 36, 503f. RIC 277. Well centered and struck. Porous, otherwise, about extremely fine.