Trajan Decius, 249-251. Antoninianus (Silver, 22 mm, 3.82 g, 1 h), Rome. IMP C M Q TRAIANVS DECIVS AVG Radiate and cuirassed bust of Trajan Decius to right, seen from behind. Rev. GENIVS EXERC ILLVRICIANI Genius standing front, head to left, holding patera over lighted altar in his right hand and cornucopiae in his left; behind, signum. Cohen 56. RIC 17b. Bright and lustrous. Virtually as struck.