Watch List notes:

Mesopotamia, Singara. Gordian III, with Tranquillina. A.D. 238-244. Æ (30 mm, 3.61 g, 6 h). AVTO K M ANT GORDIANON CAB TPANK[VLLINA] C[E]B, laureate, draped and cuirassed bust of Gordian III right vis-à-vis diademed and draped bust of Tranquillina left / AVP CEΠ [K-O]Λ CINΓAPA, Tyche seated left on rocks, holding grain ears; above, the centaur Sagittarius leaping left, shooting bow; at feet to left, river-god swimming left. SNG Copenhagen 256; BMC 8-11. VF, brown patina with green overtones, small pit on obverse.