Thrace, Anchialus. Gordian III and Tranquillina, AE (27,4 mm. 12,1 g.). AD 238-244. AYT K M ANT ΓORΔIANOC ΑΥΓ ϹEΒ ΤΡΑΝΚΥΛΛΙΝΑ., laureate, draped and cuirassed bust of Gordian right facing diademed and draped bust of Tranquillina left. Rev. OVΛΠIANWN AΓXIAΛEWN, Demeter standing left, holding corn-ears and long torch. RPC VII.2, 1147; AMNG 653; Tachev, Anchialos 119-130; Varbanov 684.