Herennius Etruscus, as Caesar, 249 - 251 AD
Silver Antoninianus, Rome Mint, 22mm, 3.77 grams
Obverse: Q HER ETR MES DECIVS NOB C, Radiate, draped and cuirassed bust of Herennius right.
Reverse: PIETAS AVGVSTORVM, Emblems of the pontificate: sprinkler, simpulum, jug and lituus.
RIC143