Gordian III and Serapis, AE28 of Markianopolis.

AVT K M ANT GORDIANOC AVG, laureate, draped, cuirassed bust 
of Gordian right, facing draped bust of Serapis left.
YP MNOFILOY MARKIANOPOLITWN, city gate with two towers 
with conical rooves, five pinnacles along the battlement.
E in the doorway.

Varbanov 1968.

With permission of www.slaveycoins.com, March 2012.