Numerian, AE antoninianus, Lyons mint. AD 284. 19mm, 

IMP C M AVR NVMERIANVS PF AVG, radiate, draped bust right.
PAX AVGG, Pax standing left, holding olive branch and 
sceptre. 

RIC V-2, 392; Cohen 51; Sear -. 

With permission of cngcoins.com, ebay sale from the late 1990s.