Gallienus, AE antoninianus. Rome. Sole reign hybrid. AD 258. 

GALLIENVS AVG, radiate head right.

ORIENS AVGG, Sol standing left, holding whip and raising 
right hand.

Dalheim hoard 12064; RIC V-1 (S), Rome 340 var (bust type, rev type). Not in Goebl.

Rare

Image from the Dalheim hoard catalog.