Gordian AE28 of Sinope, Paphlagonia, 10.73g.

IMP GORDIANVS AVG, laureate, draped and cuirassed bust right
C RIF S AN CCCXI, Dionysos, loins draped, standing left, 
holding kantharos and thyrsos, panther at foot left.

Unpublished. Not in SNG France VII. RecGen 164 var (this reverse for Valerian)
Posted on the Forum Ancient Coins by Kurt and Archivum.