John Comnenus-Ducas. As emperor of Thessalonica, 1237-1242. Æ Trachy (21mm, 1.56 g, 6h). Thessalonica mint. Outstretched wing to left / Facing half-length figure of emperor, holding standard decorated with two crosses-within circle in right hand, spear in left. DOC 31a.2; CLBC 14.21.2 (R5); SB 2217. VF, green-brown patina. Extremely rare.