Watch List notes:

Herennius Etruscus, as Caesar (Trajan Decius, 249-251), Antoninianus, Rome, AD 250-251; AR; Q HER ETR MES DECIVS NOB C, radiate, draped and cuirassed bust r., Rv. PRINCIPI IVVENTVTIS, Herennius, in military dress, standing l., holding wand and spear. RIC 147c; C 26.
Good very fine.