Byzantine Empire. John III Ducas (1222-1254). AV Hyperperon (debased), Empire of Nicaea, Magnesia mint, 1232-1254. Obv. Chris Pantokrator seated frontal on throne, nimbate. Rev. John standing frontal; crowned by the Virgin Mary. DOC 5. AV. g. 2.69 mm. 25.00 Dark patina. VF.