Lot 2855. nVF, sharp but porous. Est $85.

Macrinus and Diadumenian AE28 Pentassarion of Markianopolis, Moesia Inferior. 

Obv: AV K OPPE CEVH MAKPINOC K M OPPEL ANTWNINOC DIADOMEN, confronted busts 
Rev: VP PONTIANOV MARKIANOPOLEITWN, Coiled serpent facing right with
  protruding tongue.
By permission of ancientcoinart.com, March, 2003.