Herennius Etruscus as Caesar. Antoninianus; Herennius Etruscus as Caesar; 250-251 AD, Rome, Antoninianus, 4.26g. RIC-147c (S), C-26. Obv: Q HER ETR MES DECIVS NOB C Bust radiate, draped r. Rx: PRINCIPI IVVENTVTIS Herennius standing l. holding wand and transverse spear.. VF