Tranquillina, wife of Gordian III (died 241 AD). BI Tetradrachm, Alexandria mint, 241-242 AD. D/ Draped bust right, wearing stephane. R/ Tyche standing left, holding rudder and cornucopiae; LЄ (date) to upper left. Dattari 4843; K &G 73.12. BI. g. 12.45 mm. 22.00 R. Rare. Glossy brown patina. VF.