John Comnenus-Ducas, as emperor of Thessalonica, 1237-1242. Trachy (Bronze, 17 mm, 0.63 g, 6 h), Thessalonica. Nimbate bust of Christ facing. Rev. IⲰ[...] Half-length figures of John on the left, wearing crown with pendilia and loros, and St. Demetrius on the right, nimbate, in military attire; both holding between them large cross on shaft. DOC -. Lianta -. NAC 92 (2016), 1080. SB -. Very rare. Struck from a worn obverse die, otherwise, about very fine.