Severus Alexander - 222-235AD Denarius, FDC mint state - 

  ROMAN EMPIRE: Severus Alexander, 222-235 AD, AR denarius 
  (2.95g). RIC IV, pt ii, 64; C 312. Struck 227 AD, IMP C M AVR 
  SEV ALEXAND AVG, draped and laureate bust right / PM TRP VI 
  COS II PP, Aequitas standing left holding scales and 
  cornucopiae. Brilliant mint luster, 19.5 mm; Die axis 6.0, 
  Superb Mint State. 
  Estimated Value $150 - 250.