John III Ducas (Vatatzes), emperor of Nicaea, 1222-1254. Trachy (Bronze, 27 mm, 2.54 g, 12 h), Thessalonica. Half-Length bust of Archangel Michael standing facing, nimbate, holding sword in right hand and globus cruciger in left. Rev. Ιω John III enthroned facing, holding cruciform scepter in right hand and akakia in left; in upper field to right, manus Dei crowning emperor. DOC 4. SB 2124. Very rare. Good fine.