Gordian III, AR Antoninianus, 238-239, Eastern Mint
IMP CAES M ANT GORDIANVS AVG
Radiate, draped, cuirassed bust right, seen from behind
ROMAE-AETERNAE
Roma, helmeted, in military dress, seated left on shield, Victory in right hand, spear in left
22mm x 23mm, 4.26g