Severus Alexander AE26, Odessos, Thrace. 

Obv: AVT K MA C ALEXANROS, laureate, draped, cuirassed bust left holding eagle-tipped sceptre over right shoulder and shield on left arm
Rev: MHT K ODECCEHTWN, Cybele seated left on rock, holding corn ears beside altar in right hand, resting left on crotalum, star in left and right fields. 

cf. Mionnet S2 918

With permission of Roma Numismatics, June 2008