John Comnenus-Ducas, as emperor of Thessalonica, 1237-1242. Trachy (Bronze, 19 mm, 1.47 g, 6 h), Thessalonica. IC - XC Bust of Christ Pantokrator facing. Rev. John and the Virgin standing facing, holding between them staff topped with triangular ornament and cross within circle. DOC 14. SB 2199. Dark brown patina. Very fine.