Watch List notes:

Gordian III Æ Medallion of Byzantium, Thrace. AD 238-244. Marcus Aurelius Dionysios(?) and P. Alexandra, magistrate. AVT K M ANT ΓOPΔ[ΙΑΝΟϹ ΑVΓ], radiate and cuirassed bust left, holding spear and shield / [..] ΑΛЄΖΑΝΔ[ΡΑϹ], ; ΒΥΖΑΝΤΙΩΝ CЄB[ACTA], Emperor standing right, holding patera over agonistic table surmounted by prize urn, facing city-goddess standing left, holding cornucopiae. Corpus Nummorum Online -; Varbanov -, but cf. 1922 for type (S. Alexander). 26.68g, 36mm, 7h.

About Very Fine; lightly smoothed in parts. Extremely Rare; no other examples on CoinArchives.

From the inventory of a UK dealer.