Gordian III, AR Antoninianus, 242-244, Antioch. 22mm, 4.41g 

IMP GORDIANVS PIVS FEL AVG, Radiate, draped and cuirassed bust right, seen from behind.
FIDES MILITVM, Fides, turreted, standing left, holding standard in each hand.

RIC IV-3 209b; Bland 66; RSC 92.

With permission of Gemini IV Auction, lot 480, Jan 2008.

Note - this type with Fides turreted is not a var, there is a note in RIC about the headwear.