Herennius Etruscus, as Caesar, 249-251. Antoninianus (23mm, 4.52 g) struck under Trajan Decius, Rome, 251. Q HER ETR MES DECIVS NOB C Radiate, draped and cuirassed bust of Herennius Etruscus to right. Rev. CONCORDIA AVGG Clasped right hands.