Severus Alexander, AE34 of Philomelion, Phrygia. 

Obv: AVK M AV CEV ALEXANDROC, laureate head right
Rev: FILOMHLEWN EPI PAULOU ADRI, Gordian on horseback, galloping right, holding spear in right hand. 

Mionnet 4, 897

Roma Numismatics, May 2009.