Gordian III Æ 32mm of Seleucia ad Calycadnum, Cilicia. AD 238-244. 10,45 g. 30,4 mm. ANTΩNIOC ΓOPΔIANOC CЄBATOC(sic), radiate, draped and cuirassed bust to right; c/m: small circle within Δ (mark of value) / CЄΛЄYKЄΩN TΩ ΠPOC KAΛYKAΔΝ, Athena advancing to right, brandishing spear and holding shield, attacking serpent-footed giant hurling a stone. RPC VII.