Macrinus and Diadumenian, AE29 pentassarion of Markianopolis, Moesia Inf. Legate Pontianus. 

AV K OPPEL CEVH MAKREINOC K-M OPPEL ANTW-NINOC DIADO-VMENIA,
laureate head of Macrinus right, facing bare head of Diadumenian left.
VP PONTIANOU MARKIANOPOLIT-WN, Asklepios standing facing, 
head left, leaning on serpent entwined staff.
Epsilon at centre left. 

AMNG 748 var (obv. legend only ..VMEN); BMC 36 var (ditto).

RARE. good VF.
 
With permission of John Jencek Ancient coins, auction August 2012, Lot 088.