Macrinus and Diadumenian AE28 Pentassarion of Markianopolis, Moesia Inferior. 

obv: AV K OPPE CEVH MAKPINOC K M OPPEA ANTONINOC 
rev: VP PONTIANOV MARKIANOPOLEITWN, Concordia seated left with 
     patera & cornucopiae, E to left.
  
Contributed by Thomas Mullally.