Herennius Etruscus. As Caesar, A.D. 250-251. AR antoninianus (21.2 mm, 3.04 g, 6 h). Rome mint, struck A.D. 250. Q HER ETR MES DECIVS NOB C, radiate and draped bust right / SPES PVBLICA, Spes advancing left, holding flower and raising hem of dress. RIC 149 (Tr. Decius); RSC 38. aVF.