Watch List notes:

THRACE, Mesembria. Gordian III, with Tranquillina. AD 238-244. Æ (27mm, 13.62 g, 6h). Laureate, draped, and cuirassed bust of Gordian and draped bust of Tranquillina, wearing stephane, facing one another / Concordia standing left, holding patera and cornucopia. Karayotov II 90-1 (O18/R26); Varbanov 4197. VF, brown patina.