Trebonianus Gallus AR Antoninianus. Antioch mint. AD 252. 

IMP C C VIB TREB GALLVS P F AVG, radiate, draped bust right.
PAX AVGVS, Pax standing left, holding branch and sceptre. 
Four dots in exergue (officina 4). 

RIC 86; Sear 9641.

With permission of TimeLine Auctions (www.timelineauctions.com), July, 2015