Gordian III AR antoninianus. AD 238-244, 23 mm, 4.93 g. Rome.

IMP CAES M ANT GORDIANVS AVG, radiate, draped and cuirassed bust right.
IOVI CONSERVATORI, Jupiter standing head left, holding a thunderbolt and sceptre; small Gordian standing on left. 

RIC 2; Cohen-RSC 105.

With permission of Leu Numismatik AG - Web Auction 11, Lot 1837, Feb. 2020.