Numerian 

Marcus Aurelius Numerianus, Caesar 282 - 283, Augustus 283 - 284

Numerian was born c254, the younger son of Carus. He was appointed as Caesar on his father's accession to the throne in 282 and subsequently as Augustus during his father's Persian campaign in 283. On the death of Carus, Numerian returned to Rome, but on the way was discovered to have been murdered in his litter. His father-in-law was accused of the crime and executed by Diocletian , who remains the prime suspect in the murder.

As Caesar

 

AE Aurelianianus

Obv: Radiate,  draped bust of Numerian, right. 
M AVR NVMERIANVS NOB C

Rev : Mars, advancing right, carrying spear and trophy.
MARS VICTOR

 AD 283

Look what happens when you try to clean a coin with a steel brush! Sheesh!

As Augustus

 

 

AE Aurelianianus

Obv: Radiate,  cuirassed bust of Numerian, right. 
IMP NVMERIANVS AVG

Rev : Numerian,  standing right, holding globe and spear, a captive to left and right.
VNDQVE VICTORES

 AD 283 - 284