GALLIENUS billon/silvered antoninianus. Rome, 261-263 AD. GALLIENVS AVG, radiate head of Gallienus to right. Reverse - 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. 23mm, 3.6g.