AE antoninianus, Marcus Aurelius Carus, AD 282 - 283
Rev. Carus standing, receiving Victory on a globe from Jupiter, in field star above, officina mark above exergue. The legend VIRTVS AVGGG refers to the existence of three emperors, indicated by the use of triple G's - this became standard practice for the next two centuries. The mintmark XXI appears in the exergue.
Obv. Carus, radiate right, IMP. C. M. AVR. CARVS P. F. AVG.