Gordian III, AE 41 mm medallion, Rome, AD 244. 70.26 g. (!).

IMP GORDIANVS PIVS FELIX AVG, laureate, cuirassed bust left, holding spear over shoulder, cuirass decorated with emperor on horseback.
PM TR P VII COS II PP, View of the Circus Maximus, obelisks of Heliopolis in the middle of the arena and three conical 
turning posts on each side, nine figures in foreground - 
one athlete walking left to left, three pairs of wrestlers and boxers, two soldiers to right.

Cohen 282; Pink 29, in NC XI, 1931. Very rare.

Image taken from Blätter für Münzfreunde, 1909.