Herennius Etruscus, as Caesar
Rome
AD 250-251 CE
AR Antoninianus 3.54g, 22mm, 6h
Q HER ETR MES DECIVS NOB C, radiate and draped bust to right /
MARTI PROPVGNATORI, Mars, helmeted in military attire, advancing to right, holding spear and shield.
RIC IV 141 (Decius); RSC 8