Philip II and Serapis AE27 (5 Assaria) of Mesembria, Thrace. 

M AR IOVLIOC FILIPPOC KAICAR, draped and cuirassed bust of 
Philip II right, facing draped bust of Serapis left.
MECAMBRIANWN, Apollo in long robe, standing left, holding branch 
in right hand and with left hand resting on a lyre set on column to 
right.

Moushmov 4030; Varbanov 4276.
With permission of TimeLine Auctions (www.timelineauctions.com), September, 2014