Watch List notes:

Postumus. Romano-Gallic Emperor, AD 260-269. Radiate bronze (31mm, 14.66 g, 12h). Struck AD 263-265. IMP C M CASS LAT POSTVMVS P F AVG, radiate, draped, and cuirassed bust right / P M TR [P IIII COS I]III P P, Mars walking right, holding spear and trophy. RIC V 114; Bastien 233; Banti 52. VF, brown surfaces, some encrustation on reverse. Wonderful portrait.