Watch List notes:

Herennius Etruscus as Caesar (250-251). AR Antoninianus. Obv. Q HER ETR MES DECIVS NOB C. Radiate, draped and cuirassed bust right. Rev. PRINCIPI IVVENTVTIS. Herennius standing left, holding rod and spear. RIC (Decius) 147c. C. 26. AR. g. 4.12 mm. 22.00 Scarce. About FDC. Virtually as struck.