John Comnenus-Ducas. Emperor, 1237-1242. BI trachy (20.6 mm, 0.80 g, 12 h). Thessalonica mint. The Virgin seated facing, holding head of Infant Christ / John standing facing, holding labarum and akakia, being crowned by manus Dei to upper right. SBV 2214; DOC 28. aVF, flan chips.