Gordian III, AE23 of Deultum, Thrace.

IMP GORDIANVS PIVS FEL AVG, radiaate, draped bust right.
COL FL PAC DEVLT, Athena walking left, looking right, brandishing spear, and holding shield on arm.

Varbanov 2730 corr. (bust type).

(The plate coin in Varbanov is clearly radiate = bust type Ja, not laureate (Jb) as described)