Caracalla, AE28 of Serdica, Thrace. AYT K M AYR CEY ANTWNEINOC, laureate, draped and cuirassed bust right, seen from the back. OYLPIAC CERDIKHC, Hera standing left by altar, holding patera and sceptre. Ruzicka 134; Vienna 8244, Hunter 1; Mionnet Supp. II 1722. Varbanov 2332-2334 var (bust type). Image courtesy of Svetoslava Filipova in "Jubilaeus VII", University of Sofia, 2018.