Gordian III (238-244). AE Sestertius. Rome mint, 4th officina. Special emission, AD 240. Obv. IMP GORDIANVS PIVS FEL AVG. Laureate, draped, and cuirassed bust right. Rev. AETERNITAS AVGVSTI SC. Gordian on horseback right, raising hand. RIC IV 314 (R3). 19.06 g. 31.00 mm. RRR. Very rare issue, seldom offered. Mottled green patina. VF.