John Comnenus-Ducas Empire of Thessalonica, 1237-1242. Billon Trachy 
0.42 gm. 

Brockage of reverse. 
Heads of emperor and St. Demetrius under leaves of Lis. 

SB 2222 brockage. 
Very small module. VF+, dark green patina. Very Rare. 
(most known examples known are brockages).

Used with permission of Pegasi Numismatics, Feb. 2012.