Gordian III (238 A.D. - 244 A.D.) -  AE Sestertius - 31mm, 18.95g
Obverse - IMP GORDIANVS PIVS FEL AVG
Gordian, his laureate, draped and cuirassed bust right,
seen from behind.
Reverse - AETERNITATI AVG
S C
in field.
Sol standing left, raising right hand and holding globe.

Minted in Rome in 241-243 A.D.

Reference:
Mattingley, Sydenham, & Sutherland, "Roman Imperial Coinage", Volume 4, Part 3 (RIC), p48, nr. 297a.
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p126, nr. 8702.
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 5, p26, nr. 43.
Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p225, nr. 81.
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p437, nr 264, (B11, O6, R97, T112, M2) 
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II-digital),  p365, nr 264, (B11, O6, R97, T112, M2) 
Kampmann, U., "Die Münzen der römischen Kaiserzeit", 2nd edition, (Kampmann) p280, nr. 72.61.

Quality: about Fine
Rarity: C2 (Common)