Gordian III, AE23 of Deultum, Thrace. 

IMP GORDIANVS PIVS FEL AVG, laureate, draped and cuirassed bust right.
COL F L PAC DEVLT, Tetrastyle temple, seen in perspective, Apollo standing left within, holding patera and branch. 

Varbanov 2830. 

(Plate coin in book is numbered 2829 in error, due to late additions.)