John Comnenus-Ducas. As emperor of Thessalonica, 1237-1242. BI Trachy (23mm, 1.40 g, 6h). Thessalonica mint. St. Theodore standing facing, holding spear and shield; lis flanking / John standing facing, holding labarum and akakia, being crowned by St. Demetrius, holding [sword]. DOC 15; SB 2200 corr. (obv. description). VF, brown patina, hairline flan crack.