Trajan Decius (249-251). AE Semis, 249-251. D/ IMP C M Q TRAIANVS DECIVS [AVG]. Laureate,draped and cuirassed bust right. R/ SC. Mars standing left, resting right hand on shield and holding vertical spear. RIC 128. AE. g. 3.50 mm. 19.50 Scarce. Emerald green patina with red spots. VF/About VF.