Gordian III and Serapis, AE26 of Dionysopolis, Moesia.

AVT K M ANT GORDIANOC AVG, laureate, draped and 
cuirassed bust of Gordian right, facing bust of Serapis
left, wearing modius.
DIONYCOPOLEITWN, Emperor on horseback right, holding cornucopiae. Value mark E in exergue.

Varbanov 547 (this coin).
Note: This image was recovered after having been destroyed 
in the March 2009 website attack. The owner or seller
information was unfortunately lost. Re-added in September, 2011.