Gordian III and Tranquillina. AE27 of Anchialos, Thrace. AD 238-244. 12.94 g). 

AYT K M ANT GORDIANOC AVG CAB CEB TRANKYLLEINA, laureate, draped, and cuirassed bust of Gordian right, facing diademed and draped bust of Tranquillina left.
OYLPIANWN AGXIALEWN, Serapis standing left, holding patera and cornucopiae.

Varbanov 726.

With permission of H. D. Rauch GmbH auction 40, Lot 147, Sept. 2022.