Classical Numismatic Group, Electronic Auction 352, Los 622 John Comnenus-Ducas. As emperor of Thessalonica, 1237-1242. BI Trachy (18mm, 0.90 g, 6h). Thessalonica mint. Facing bust of Christ Pantokrator / John and the Virgin standing facing, holding staff topped with triangular ornament and cross within circle. DOC 14; CLBC 14.1.3; SB 2199. Near VF, brown patina.