Gordian III, as Caesar, 238. Antoninianus (Silver, 24 mm, 3.66 g, 11 h), Antiochia, 239-240. IMP CAES M ANT GORDIANVS AVG Radiate, draped and cuirassed bust of Gordian III to right, seen from behind. Rev. P M TR P II COS P P Mars standing facing in military attire, head to right, holding spear in his right hand and shield in his left. B. Michaux, Le Monnayage Impérial de Gordien III, 528. Cohen -. RIC 28 corr. (attributed to Rome). Extremely rare, apparently the third known example. Crystallized and with areas of weakness, otherwise, very fine.