Roman Imperial
Herennius Etruscus (249-251 AD) Rome
AR Antoninianus (23.5mm, 3.6g)
Obv: Q HER ETR MES DECIVS NOB C. Radiate and draped bust right.
Rev: PRINCIPI IVVENTVTIS. Herennius Etruscus standing left, holding baton and transverse spear.
RIC 147c