Gordian III and Tranquillina, AE 27 of Anchialus, Thrace. AYT K M ANT GORDIANOC AYG CABEIN TRANKYLLINA, laureate and draped bust of Gordian right, facing draped bust of Tranquillina left. OVLPIANWN AGXIALEWN, City gate with two conical towers, three arches and wall above doorway. Varbanov 757 (this coin cited). With kind permission of cgb.fr, France, 2005.