Gordian III, AE25 of Dionysopolis, Moesia-Thrace. AD 238-244.

AYT K M ANT GORDIANOC AYG, laureate, draped and cuirassed bust right.
DIONYCOPOLEITWN, the Great God standing front looking left, kalathos on head, holding cornucopiae and patera over altar at foot left. 
Value mark Delta in right field. 

Varbanov 524.

With permission of Savoca-coins on ebay, Jan 2018.