Gordian III and Serapis, AE28 of Dionysopolis, Moesia Inf. 

AVT K M ANTWNINOC GORDIANOC AVG, laureate, draped, cuirassed 
bust of Gordian right facing draped bust of Serapis left,
wearing modius.
DIONYCO-POLEITWN, Homonoia standing left by altar, holding 
patera and cornucopiae. Value mark E in right field. 

Ref: Moushmov -, Varbanov 565

Contributed by Razvan Pala