Watch List notes:

Herennius Etruscus. As Caesar, AD 249-251. AR Antoninianus (21mm, 3.36 g, 12h). Rome mint, 1st officina. 3rd emission of Trajan Decius, AD 250. Q HER ETR MES DECIVS NOB C, radiate and draped bust right / PIETAS AVGG, Mercury standing left, holding purse and caduceus. RIC IV 142b (Trajan Decius); Hunter 4; RSC 11. VF, lightly toned.

From the Ken Bressett collection. Ex David Vagi 2007 @ $50.