Watch List notes:

Trajan Decius, 249-251. Semis (Bronze, 19 mm, 3.87 g, 1 h), Rome, 250-251. IMP C M Q TRAIANVS DECIVS AVG Laureate and cuirassed bust of Trajan Decius to right, seen from behind. Rev. S - C Mars standing left, resting his right hand on shield set on ground and holding spear in his left. Cohen 102. RIC 128. Minor deposits and with traces of cleaning on the reverse, otherwise, about very fine.