MESOPOTAMIA. Edessa. Severus Alexander, 222-235. Ae (bronze, 10.49 g, 25 mm). [..] AYP AΛЄΞANΔPOC laureate bust of Severus Alexander right, slight drapery on far shoulder. Rev. [..] MHT KЄΔЄCC, Tyche seated left on pile of rocks; in left field, altar; at feet, river-god swimming left. SNG Copenhagen 215-218 var. Very fine.