Gordian III and Serapis, AE27 of Odessos, Thrace. 

AVT K M ANT GORDIANOC, laureate, draped and cuirassed 
bust of Gordian right, facing draped bust of Serapis left, 
cornucopiae to right.
ODHCCEITWN, Nemesis standing left, holding scales and 
cubit rule (or sceptre). E in right field.

Varbanov 4520 var (E right); AMNG -. Apparently unpublished
with E in the right field.