Roman Imperial
Postumus (260-269), Antoninianus 263, Treveri mint
Obverse: radiate, draped and cuirassed bust of Postumus right
IMP C POSTVMVS P F AVG
Obverse: Mars walking to right, holding spear and trophy
P M TR P IIII COS III P P
Diameter 22 mm, weight 3.46 g