Gordian III and Tranquillina, AE 27 of Anchialus, Thrace.

AYT K M ANT GORDIANOC AYG CEB TRANKYLLEINA, laureate 
and draped bust of Gordian right, facing draped bust of 
Tranquillina left.
OVLPIANWN AGXIALEWN, Zeus seated left, holding patera 
and sceptre.

Varbanov 781; AMNG 647.