John Comnenus-Ducas. Empire of Thessalonica, 1237-1242. AE Half 
Tetarteron 18mm, 0.97 g. Thessalonica mint. 

IW D KOMNHNOC O DOVKAC in four lines.
IC-XC, Cross potent on two steps. 

DOC 13; SB 2224. Good VF, dark green patina. Very rare. 

Ex Khristov Collection.

CNG 85, Lot: 1295. Sold for $490.
Used with permission of CNG (cngcoins.com)