Watch List notes:

Gallienus. AD 253-268. Antoninianus (22mm, 2.92 g, 6h). Rome mint. 8th emission, AD 256-257. Radiate head right / Mars standing left, holding olive branch, spear, and shield; A to right. RIC V 236; MIR 36, 571w; RSC 617a. EF, silvering, light verdigris, weakly struck on the reverse.

From the FJ Collection. Ex Oslo Mynthandel 29 (5 April 1992), lot 1284.