Gordian III and Tranquillina AE28 of Tomis, Moesia-Thrace. AD 238-244. 

AVT K M ANTWNIOC GORDIANOC CABINIA TRANKYLINA, laureate, 
draped and cuirassed bust of Gordian right, facing draped 
bust of Tranquillina left, wearing stephane
MHTROPONTOY TOMEWC, Nike standing left, holding wreath and palm branch. value mark D-C across fields.

Varbanov 5712; Moushmov 80 in Rev Num. 1922. 

With permission of Numismatik Naumann auction 70, Lot 196, Oct. 2018.