Philip I AR Tetradrachm of Antioch ad Orontem, Syria mint. 244-247 AD. 

Obv: AYTOK IOVL FILIPPOY CEB, laureate, draped and cuirassed bust right. 
Rev: DHMARX EX OYCIAC, eagle standing facing, head left, delta 
above right wing; S-C under wings, MON VRB in exergue.

Prieur 308; Sear GIC 3957 var (letter above wing). 

With permission of TimeLine Auctions (www.timelineauctions.com), February, 2013