Watch List notes:

Trajan Decius (249-251). AE Semis, Rome mint. Obv. IMP C M Q TRAIANVS DECIVS AVG. Laureate and cuirassed bust right. Rev. SC. Mars standing left, holding shield set on ground and spear. RIC 128. C. 102. AE. g. 4.46 mm. 19.00 R. Rare. Bold portrait. Nice brown patina. About EF.