Philip I Antoninianus. 

IMP M IVL PHILIPPVS AVG, radiate draped & cuirassed bust right.
PAX AETERNA, Pax advancing left with branch & scepter. 

RSC 109. RIC 42. 

By permission of ancientcoinart.com.
Lot 1560. XF. Sold for $75 on vcoins.com, March, 2004.