Gordian III, AE24 of Deultum, Thrace. 

IMP GORDIANVS PIVS AVG, radiate, draped and cuirassed bust right.
COL F L PAC DEVLT, Athena, helmeted, standing left, holding spear, shield resting on her knee, her right foot on rocks. 

Varbanov 2733 (this coin); Jurukova 356; Sofia 5212.
Rare.

Antike Münzen auction 106, lot 628.