Severus Alexander 222-235 AD - Roman Provincial coin from Nicaea, Bithynia
Weight: 4.13 gr
Diameter: 19.2 mm
Severus Alexander, also called Alexander Severus, in full Marcus Aurelius Severus Alexander, original name Gessius Bassianus Alexianus or Alexianus Bassianus, (born 209, Phoenicia [now in Lebanon]—died 235, Gaul), Roman emperor from ad 222 to 235, whose weak rule collapsed in the civil strife that engulfed the empire .