Watch List notes:

Herennius Etruscus. As Caesar, AD 249-251. Æ As (25mm, 10.31 g, 12h). Rome mint, 1st officina. 3rd emission of Trajan Decius, AD 250. Bareheaded and draped bust right / Mercury standing left, holding purse and caduceus. RIC IV 167b corr. (cuirassed). Rough brown surfaces, flan crack. Near VF.