Trajan Decius. AD 249-251. Æ Semis (18mm, 3.63 g, 12h). Rome mint, 5th officina. 3rd emission, AD 250. Laureate and cuirassed bust right / Mars standing left, holding shield set on ground to left and reversed spear. RIC IV 128. Dark green patina, some light smoothing. Near EF.
From the Jack A. Frazer Collection. Ex CNG Inventory 953510 (May 1993).