Herennius Etruscus as Caesar (249-251). AR Antoninianus, 250-251AD. D/ Q HER ETR MES DECIVS NOB C. Radiate, draped and cuirassed bust right. R/ SPES PVBLICA.Spes advancing left, holding flower and raising skirt. RIC (T. Decius) 149. AR. g. 3.85 mm. 23.00 Scarce. About EF.