Gordian III Ant "Pax"4.6gm. Gordian III AD 238-244 Antoninianus "The
     emperor is committed to peace" Obv: IMP CAES M ANT GORDIANVS AVG -
  Radiate bust right, draped and cuirassed Rev: PAX AVGVSTI - Pax standing
   front, head left, holding olive-branch upward with right hand and left
  hand a transverse scepter. Rome mint AD June 12, 238-Dec 238 (1st Issue,
                     3rd officina) = RIC 3 - Cohen 173