John Comnenus-Ducas. Empire of Thessalonica, 1237-1242. BI Trachy 22mm, 1.44 g. Thessalonica mint. OLGHOC DHMHTRIOC, St. Demetrius standing facing, holding sword and resting hand on shield. IWANNHC DECPOTHCOK, John standing facing, holding labarum and akakia. DOC 38.2 (same dies); SB 2223. VF. Rare. 222, Lot: 493. Sold for $625. Used with permission of CNG (cngcoins.com)