Gordian AE40 medallion of Perinthos, Thrace.

AVT K M ANT GORDIANOC AVG, laureate, cuirassed bust right,
aegis on chest. 
PERINQIWN DIC NEWKORWN, Zodiac wheel containing the signs
of the Zodiac, in the centre of which Zeus seated half-left,
holding sceptre, eagle at foot.

Varbanov 550; Schoenert 859.