Diadumenian, AE24 of Deultum, Thrace.

M OPEL AMTONINVS CAES, Bare-headed, draped bust right.
COL F PAC DEVLTVM, Serapis seated left, holding patera and sceptre.

Varbanov 2189; SNG Bulgaria 193.

with kind permission of highrating_lowprice on ebay, March 2012.