John Comnenus-Ducas (Emperor of Thessalonica, 1237-1242). BI Trachy (28.5mm, 3.91g, 6h). Thessalonica. Half-length facing bust of St. Theodore, holding spear and shield. R/ Half-length facing busts of John and St. Demetrius, holding between them staff surmounted by cross within ring. DOC 17; Sear 2202. VF