Gordian III and Tranquillina AE28 of Tomis, Thrace. 

AVT K M ANT GORDIANOC AVG CE TRANKYLEINA, laureate, draped 
and cuirassed bust of Gordian right, facing draped bust of
Tranquillina left. 
MHTRO PONTOY TOMEWC, Zeus standing left, holding patera and 
sceptre, eagle at foot left. Δ in upper left field. 

Varbanov 5728; AMNG 3509; Moushmov 2272.