Severus Alexander AE26 of Markianopolis. Legate Festus. 

AVT K M AVP CEVH ALEZANDROC, laureate, draped, cuirassed bust right.
YP TIB IOVL FHCTOV MARKIANOPOLITWN, Hera standing left 
holding patera and sceptre.

Varbanov 1778 (this coin).
Contributed by Online Store of the Forum Ancient Coins, Sep, 2011