Caracalla, AE29 of Serdica, Thrace. AVT K M AVR CEVH ANTWNEINOC, laureate, cuirassed bust right. OVLPIAC CERDIKHC, Hermes, naked, standing left, holding purse and caduceus. Ruzicka 217; Sofia 3336; Varbanov 2372. With kind permission of Numismatica Ars Classica