Watch List notes:

Herennius Etruscus as Caesar (250-251). AR Antoninianus, 250-251 AD. Obv. Q HER ETR MES DECIVS NOB C. Radiate, draped and cuirassed bust right. Rev. PRINCIPI IVVENTVTIS. Apollo seated left, holding branch and resting left elbow on lyre. RIC (Traj. Dec.) 139. AR. g. 3.57 mm. 22.00 About EF.